Kohler 7000 series valve clearance

8,976. Feb 5, 2023 / 2020 Kohler KT735-3077 - Won't turn over. #2. First the camshaft doesn't have an ACR (automatic compression release) Second the rockers are adjustable. Third the starter used on these engines are bad about wearing the top bushing leading the starter binding under load. I would first adjust the valve clearance and make …

Kohler 7000 series valve clearance. Valves; Kohler Plugs; Kohler Connecting Rods; Kohler Seals; Kohler Spark Plugs; Springs; Kohler Starting Systems. Dog Kits; Drive Kits; ... Kohler Engine KT725-3014 7000 Series 22 hp 725cc Husqvarna Outdoor Products. $1961.86 Add Qty: PAKT725-3019: Kohler Engine KT725-3019 7000 Series 22 hp 725cc MTD.

WFCYQ Valve Cover Gaskets Fit Kohler 7000 Series with Stamped Steel Covers (2) ... WFCYQ Replacement Rocker Valve Cover Gaskets for Kohler 7000 7XX Series with Stamped Steel Covers. Stens 055-606 Valve Cover Kit, Black. Add to Cart . Add to Cart . Add to Cart . Add to Cart . Customer Rating:

Valves; Kohler Plugs; Kohler Connecting Rods; Kohler Seals; ... Kohler Engine KT725-3014 7000 Series 22 hp 725cc Husqvarna Outdoor Products. $1961.86 Add Qty: PAKT725 ...XT1 Enduro LT 46 in. 23 HP V-Twin Kohler 7000 Series Engine Hydrostatic Drive Gas Riding Lawn Tractor. Shop this Collection. Compare. Best Seller. More Options Available $ 3799. 00 (3963) Model# Ultima ZT1-50. Cub Cadet. Ultima ZT1 50 in. Fabricated Deck 23HP V-Twin Kawasaki FR Series Engine Dual Hydro Drive Gas Zero Turn Riding Lawn …Valves are right meaning they are set at .005 the only kohler that has hydraulic lifters is the command currently. This is a kohler 7000 series. I know the ignition timing is right because I stuck the key in after I put the flywheel on. In Gona call kohler Today and ask about the press fit crank key problemWFCYQ Replacement Rocker Valve Cover Gaskets for Kohler 7000 7XX Series with Stamped Steel Covers. Stens 055-606 Valve Cover Kit, Black. Add to Cart . Add to Cart .KT740-3099 Toro. KT740-3100 MTD. Shop our large selection of Kohler Engines KT740 7000 SERIES (KT715-KT745) OEM Parts, original equipment manufacturer parts and more online or call at 800-544-2444.How to adjust your valve clearance aka lash on a Kohler Courage SV740 Cub Cadet 1040 lawn mower engine. Applies to all Kohler Courage models. SV741, SV7420, ...

KT715 7000 Series Engine. ... Valves and Valve Tappets Clearance 0.101/0.152 mm (0.0040/0.0060 in.) Valve Tappet to Crankcase Running Clearance ... Kohler 25 455 12-S For reaming worn valve guides to accept replacement oversize valves. Can be used in low-speed drill press or with ...9,536. Apr 10, 2015 / how do you adjust the valves on a 22 hp kohler engine. #2. will need to know what engine by model and spec you have. some of the kohler engines have hydraulic lifters and you don't adjust them. B.Described is an internal combustion engine with a crankcase and with at least one cylinder and cylinder head, as well as arranged in the crankcase ...Kohler KT730 Pdf User Manuals. View online or download Kohler KT730 Owner's Manual ... Adjust Valve Clearance. 75. Install Valve Covers. 75. ... 6000 and 7000 Series ... To check valve guide-to-valve stem clearance, thoroughly clean valve guide and, using a split-ball gauge, measure inside diameter of guide. Page 51 fl ywheel, crankshaft, and key if fl ywheel key is sheared or keyway is damaged. Inspect ring gear for cracks or damage. Kohler does not provide ring gears as a serviceable part.

Kohler KT745 Pdf User Manuals. View online or download Kohler KT745 Owner's Manual ... Adjust Valve Clearance. 75. Install Valve Covers. 75. ... 6000 and 7000 Series ... Kohler Part # 1258405S Ignition Module. Genuine Kohler Ignition Module, 1258405-S, Fits some Kohler Command CH, CV Single Cylinder Engines. Replaces: 1275704-S, 1258402-S For pull start engines. $90.00 $110.21.7000 SeriesKT725. 7000 Series. Find A Dealer. Based on the KOHLER Command PRO® commercial engine design, the air-cooled, V-time 7000 Series will run rings around your neighbors. It features a 3 year, unlimited hour, limited warranty. Aug 25, 2020 / Kohler 7000 series cylinder issues. #6. Gman delaware said: I also have a 2016 Raptor SD with the Kohler 7000 series engine and have had problems with the engine. Had to have the original valve covers replace due to leaking oil. New ones have a gasket to seal better. Today the service tech told me that a cylinder head needs repair.Power up your tractor or ZTR with the air-cooled, V-twin 7000 Series ™ engine, and run rings around your neighbors with pro-grade features, easy starts, durable components and powerful cuts. BUILT TO LAST • Based on KOHLER Command PRO ® commercial engine design • Pressure lubrication extends engine life by

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Power up your tractor or ZTR with the air-cooled, V-twin 7000 Series ™ engine, and run rings around your neighbors with pro-grade features, easy starts, durable components and powerful cuts. BUILT TO LAST • Based on KOHLER Command PRO ® commercial engine design • Pressure lubrication extends engine life byWFCYQ Valve Cover Gaskets Fit Kohler 7000 Series with Stamped Steel Covers. Perfect compatibility . Videos for related products. 0:30 . Click to play video. Replace the valve cover gasket of model 7000 engine. Shenzhen Realize Dumi Trading Co., Ltd. Videos for related products. 0:54 .Make sure the engine has cooled down. 4. Loosen the lock nut of the rocker arm. 5. Now adjust the tappet clearance between the rocker arm & valve stem by tightening or loosing the nut below the lock nut. 6. Use feeler gauge to adjust the suction valve clearance as .35mm an exhaust valve clearance as .45mm. Must Read:> Why …Wear Limit 82.978 mm (3.2668 in.) 82.833 mm (3.2611 in.) Piston Thrust Face-to-Cylinder Bore 7 Running Clearance New 0.019/0.062 mm (0.0007/0.0024 in.) Valves and Valve …

7000 SeriesKT735. 7000 Series. Find A Dealer. Based on the KOHLER Command PRO® commercial engine design, the air-cooled, V-time 7000 Series will run rings around your …Adjustment of the Carburetor on Kohler Engine. First, start the engine to keep it for 5 minutes on standby mode to reach the operating level temperature. Note that plain ground is necessary to initiate the task. Move the throttle to the “Slow” position. After that, start the tachometer with a four-cycle engine.KT740-3099 Toro. KT740-3100 MTD. Shop our large selection of Kohler Engines KT740 7000 SERIES (KT715-KT745) OEM Parts, original equipment manufacturer parts and more online or call at 800-544-2444.Kohler 7000 series life expectancy. The durability of the Kohler engine depends on maintenance as well. If the owner has kept the Kohler mower in pretty nice condition, it may last longer than others. On average, a Kohler engine lasts for 1500-2000 hours. Regular maintenance can increase the time from 2000 hours to 3500 hours as well.Set the valve clearances as follows for Kohler's K-series and Magnum single cylinder engines: Always set the valve clearance when an engine is cold. Because metal expands when hot and shrinks when cold. On a fresh valve job, set the clearance on the maximum specs to allow for the valve face and seat to wear into each other.FIND A DEALER. With 13,000 dealers worldwide, we provide the help you need any time, anywhere. And we’re not afraid to go above and beyond to make sure you’re taken care of. There’s no part we can’t get, no question we can’t answer. FIND A …19-Sept-2023 ... Valve clearance is 0, the engine uses hydraulic lifters. I believe the setting is 0 lash + 1.5 turns, but don't quote me. What are the valve ...How to adjust the valves and assemble the breather on a k SeriesDescribed is an internal combustion engine with a crankcase and with at least one cylinder and cylinder head, as well as arranged in the crankcase ...Primarily seen on Cub Cadet and Craftsman zero-turn and riding tractors, the Kohler 7000 series of twin-cylinder engines include the KT715 (20hp), KT725 (22hp), KT730 (23hp), KT735 (24hp), KT740 (25hp), and KT745 (26hp). Although there are slight differences in power ratings, all are vertical shaft and all share the same engine dimensions.Oct 13, 2021 · 63. Messages. 24,272. Oct 13, 2021 / No Compression. 7000 Series Kohler Vtwin. #5. Start with valve adjustments. Usually closed up valve lash is either a mistake setting them or valve guides slipping in the head . The latter is from overheating. All 4 valves are identical , the valve lift on the cam lobes is identical as are the rockers.

Location. CT. May 20, 2018. #1. Hi Guys, Recently acquired a new rider with a 22hp Kohler 7000 series motor. Will be doing the 1st OC soon @ about 5hrs, but might be 7 depending on how much time I have before the next mow. Manual says to use 10w30 and recommends conventional for the first 50hrs to seat the rings, so I was going to run …

Power up your tractor or ZTR with the air-cooled, V-twin 7000 Series ™ engine, and run rings around your neighbors with pro-grade features, easy starts, durable components …Kohler 7000 Series KT725 Specs. SPECIFICATIONS. MAINTENANCE. TROUBLESHOOTING. Engine Model: Kohler 7000 Series KT725. Engine Type: 4-cycle twin-cylinder vertical shaft air-cooled gasoline engine. Total Displacement: 44.2 cu.in (725 cc) Rated Engine Power: 22 Hp (16.4 kW) at 3600 rpm. Fuel System: Keihin or Walbro carburetor with fixed main jet. Re; Kohler. 7000 Series KT715-Kt745. Valve Setting on above mentioned engine please. 4 years old on Cub Cadet Lawn - Answered by a verified TechnicianThis video illustrates the oil and filter change procedure for KOHLER 7000 twin cylinder engines.Before working on engine or equipment, disable the engine as...It just took November till Feb. The needle valve and seat makes perfect sense. To be safe, from now on I'll turn the fuel valve off. The dealer tells me the carb isn't under warranty. 80 hrs, 15 months. Somehow I missed the motor didn't have a warranty from Scag. When I called Scag customer service told me to call Kohler.To check valve guide-to-valve stem clearance, thoroughly clean valve guide and, using a split-ball gauge, measure inside diameter of guide. Page 51 fl ywheel, crankshaft, and key if fl ywheel key is sheared or keyway is damaged. Inspect ring gear for cracks or damage. Kohler does not provide ring gears as a serviceable part.

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Power up your tractor or ZTR with the air-cooled, V-twin 7000 Series ™ engine, and run rings around your neighbors with pro-grade features, easy starts, durable components …Have valve clearance (lash) checked/adjusted. Reassembly Every 500 Hours Replace spark plugs and set gap. Electrical System ¹ Perform these procedures more frequently …May 3, 2020 · end of 1 valve and rocker arm. Turn adjuster or adjustment nut (based on design), until a slight drag is felt. Hold in this position and tighten locking nut or setscrew securely. Torque setscrew to 7.9 N·m (70 in. lb.). After tightening recheck adjustment. Proper valve clearance is 0.101/0.152 mm (0.004/0.006 in.). 4. Kohler 7000 Series. Kohler’s 7000 series has been created for consumer applications that require a high-performing v-twin engine. The line encompasses six engine models ranging from 20 to 26 hp, all incorporating newly designed, professional-grade cylinder heads, crankshafts, connecting rods, pistons and numerous other enhancements to deliver ...Kohler KT740 Exploded View parts lookup by model. Complete exploded views of all the major manufacturers. ... 7000 Series Kt715 Kt725 Kt730 Kt735 Kt740 Kt745 | Kt740 ...Have valve clearance (lash) checked/adjusted. Reassembly Every 300 Hours3 Change oil and fi lter (KOHLER PRO 10W-50 oil and KOHLER PRO fi lter only). Lubrication System Every 500 Hours Replace spark plugs and set gap. Electrical System ¹ Perform these procedures more frequently under severe, dusty, dirty conditions.We have the Kohler 7000 Series Valves you need, with fast shipping and great prices. For 7000 Series parts and accessories, think Jack’s! Popular Kohler 7000 Series ValvesKohler KT740 Pdf User Manuals. View online or download Kohler KT740 Owner's Manual ... Adjust Valve Clearance. 75. Install Valve Covers. 75. ... 6000 and 7000 Series ... Dec 1, 2019 · The valve clearance specifications are as follows: After adjustment, tighten the locknuts to 11-14 ft. lbs. (15-19 Nm). Repeat for each valve to be adjusted. 1.8L, 2.0L and 2.5L Engines The 1.8L, 2.0L and 2.5L engines utilize automatic hydraulic lash adjusters to maintain proper valve lash at all times. Have valve clearance (lash) checked/adjusted. Reassembly Every 300 Hours3 Change oil and fi lter (KOHLER PRO 10W-50 oil and KOHLER PRO fi lter only). Lubrication System Every 500 Hours Replace spark plugs and set gap. Electrical System ¹ Perform these procedures more frequently under severe, dusty, dirty conditions.Step 1: Remove the spark plug and securing the spark plug lead away from the spark plug. Step 2: Remove the muffler, crankcase breather and any other components that block access to the valve chamber. Step 3: Remove the cylinder head bolts and take out other bolts from the engine components to reach the valve chamber. ….

Messages. 8,955. Aug 16, 2020 / Kohler valve cover. #10. Yes you must be lucky or it is Cub Cadet thing. I even tried shocking the screws and they still break off half the time. But the drive pulley and PTO clutch tend to be rusted on too as Cub doesn't use any anti-seize on the crankshafts. And Fish that is why buy the 7mm screws by the box full.Need the setting of the valves on a Kohler 7000 Series KT745. 2016. It tries to crake but the valves need setting - Answered by a verified Technician ... I have a bad boy zero turn with a kohler 7000 series KT745 engine as I mowed it would miss a little then run good however I heard a big bang it began to loose power and be very loud but still ...Kohler SV715. The Kohler SV715 is a 725 cc, (44.2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Courage series, manufactured by Kohler Co. The Kohler SV715 engine has an OHV (overhead valve) design, vertical PTO-shaft, and pressurized lubrication system. This engine is equipped with a carburetor with a fixed ...Feb 7, 2023 · The Fumoto Kohler 7000 Series Oil Drain Plug is made to be worth the money and it makes for a great buy. Make sure this fits by entering your model number. The unique through bolt design can be tightened independent of the valve body, allowing for a simple installation that easily avoids obstructions. Kohler 7000 series life expectancy. The durability of the Kohler engine depends on maintenance as well. If the owner has kept the Kohler mower in pretty nice condition, it may last longer than others. On average, a Kohler engine lasts for 1500-2000 hours. Regular maintenance can increase the time from 2000 hours to 3500 hours as well.7000 SeriesKT735. 7000 Series. Find A Dealer. Based on the KOHLER Command PRO® commercial engine design, the air-cooled, V-time 7000 Series will run rings around your neighbors. It features a 3 year, unlimited hour, limited warranty.The Kohler SV725 is a 725 cc, (44.2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Courage series, manufactured by Kohler Co.. The Kohler SV725 engine has an OHV (overhead valve) design, vertical PTO-shaft, and pressurized lubrication system.end of 1 valve and rocker arm. Turn adjuster or adjustment nut (based on design), until a slight drag is felt. Hold in this position and tighten locking nut or setscrew securely. Torque setscrew to 7.9 N·m (70 in. lb.). After tightening recheck adjustment. Proper valve clearance is 0.101/0.152 mm (0.004/0.006 in.). 4.Kohler KT745 Pdf User Manuals. View online or download Kohler KT745 Owner's Manual ... Adjust Valve Clearance. 75. Install Valve Covers. 75. ... 6000 and 7000 Series ...All-season KOHLER ® PRO 10W-50 Synthetic Oil is the ideal oil for KOHLER engines. It is specifi cally formulated to extend the oil and oil fi lter change interval to 300 Hours when paired with a KOHLER PRO Extended Life Oil Filter. 300-Hour oil and oil fi lter change intervals are exclusive to and only authorized on KOHLER engines that utilize Kohler 7000 series valve clearance, We have the Kohler 7000 Series Valves you need, with fast shipping and great prices. For 7000 Series parts and accessories, think Jack’s! Popular Kohler 7000 Series Valves, WFCYQ Valve Cover Gaskets Fit Kohler 7000 Series with Stamped Steel Covers. Perfect compatibility . Videos for related products. 0:30 . Click to play video. Replace the valve cover gasket of model 7000 engine. Shenzhen Realize Dumi Trading Co., Ltd. Videos for related products. 0:54 ., Kohler SV720. The Kohler SV720 is a 725 cc, (44.2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Courage series, manufactured by Kohler Co. The Kohler SV720 engine has an OHV (overhead valve) design, vertical PTO-shaft, and pressurized lubrication system. This engine is equipped with a carburetor with a fixed ... , XT1 Enduro LT 46 in. 23 HP V-Twin Kohler 7000 Series Engine Hydrostatic Drive Gas Riding Lawn Tractor. Shop this Collection. Compare. Best Seller. More Options Available $ 3799. 00 (3963) Model# Ultima ZT1-50. Cub Cadet. Ultima ZT1 50 in. Fabricated Deck 23HP V-Twin Kawasaki FR Series Engine Dual Hydro Drive Gas Zero Turn Riding Lawn …, Kohler 7000 Series Valves: Jack's is your place! We have the Kohler 7000 Series Valves you need, with fast shipping and great prices. For 7000 Series parts and accessories, think Jack's! Popular Kohler 7000 Series Valves More Info . exhaust valve: Part Number: 505537 : Specs:, Apr 30, 2014 · end of 1 valve and rocker arm. Turn adjuster until a slight drag is felt. Hold in this position and tighten setscrew securely. Torque setscrew to 7.9 N·m (70 in. lb.). After tightening recheck adjustment. Proper valve clearance is 0.101/0.152 mm (0.004/0.006 in.). then do other valve 3. Repeat procedure for other valves on other cyl , 7000 Series Engine. ... Clearance. Valve Tappet to Crankcase Running Clearance ... Cub Cadet ULTIMA ZTX4-48 Ultima ZTX4 48 in. Fabricated Deck 23 HP Kohler Pro 7000 ..., Second opinion] I also have a Kohler 22 HP Series 7000 KT725, Does't want to start unless its manually turned slightly past TDC. ... i have a leading valve cover on a kohler kt725-3012 (series 7000 22 hp) engine. Have removed it and need to know if I need to put a valve cover gasket in place before putting cover back on?, 13-Jun-2013 ... Valve adjustment is made with the engine cold, with a flat feeler gauge and on the 10-16hp engines, with the lifter held in place with a slender ..., KS540 | 5400 Series | KOHLER. Home / Engines / Gasoline Engines / 5400 Series., 13-Jun-2013 ... Valve adjustment is made with the engine cold, with a flat feeler gauge and on the 10-16hp engines, with the lifter held in place with a slender ..., The Kohler SV715 is a 725 cc, (44.2 cu·in) V-twin air-cooled four-stroke internal combustion gasoline engine from the Courage series, manufactured by Kohler Co.. The Kohler SV715 engine has an OHV (overhead valve) design, vertical PTO-shaft, and pressurized lubrication system. This engine is equipped with a carburetor with a fixed main jet and one of three …, List Price: $35.72. Specs: Description: Valve Cover Kit. Replaces OEM Numbers: Kohler: 24 755 141-S, 24 755 74-S. Compatible With/Replacement For: Kohler: CH20, CH22, CH23, CH25, CH640, CH670, CH680, CH730 and CH740. Stens branded parts are trusted by professional dealers to perform OEM quality repairs. The Stens name is featured on all Genuine ..., Engine Kohler 6600 Series Service Manual. (96 pages) Engines Kohler KT610 Service Manual. 6000 series, 7000 series (84 pages) Engine Kohler KT715 Service Manual. 7000 series (69 pages) Engine Kohler KT610-KT620 Owner's Manual. 6000 series 7000 series (25 pages) Engine Kohler KT17 Owner's Manual. , Have valve clearance (lash) checked/adjusted. Reassembly Every 300 Hours3 Change oil and fi lter (KOHLER PRO 10W-50 oil and KOHLER PRO fi lter only). Lubrication System Every 500 Hours Replace spark plugs and set gap. Electrical System ¹ Perform these procedures more frequently under severe, dusty, dirty conditions., Apr 10, 2015 · 9,536. Apr 10, 2015 / how do you adjust the valves on a 22 hp kohler engine. #2. will need to know what engine by model and spec you have. some of the kohler engines have hydraulic lifters and you don't adjust them. B. , Change oil and fi lter (KOHLER PRO 10W-50 oil and KOHLER PRO fi lter only). Every 500 Hours² Have valve lash checked/adjusted. Every 500 Hours Replace spark plugs and set gap. ¹ Perform these procedures more frequently under severe, dusty, dirty conditions. ² Have a Kohler authorized dealer perform this service., 7000 SeriesKT735. 7000 Series. Find A Dealer. Based on the KOHLER Command PRO® commercial engine design, the air-cooled, V-time 7000 Series will run rings around your …, Kohler 7000 series KT725 22HP, new plugs, left spark plug is fouling, black sooty, right plug clean. Runs idle good, but under strain sputters and misfires … read more, Model#: 17RREACS010. 22 HP 725cc professional-grade KOHLER 7000 Series V-twin OHV engine for reliable starting and exceptionally smooth, quiet operation. Ideal for mowing slight rolling hills and several obstacles up to 2 acres. Equipped with an open frame design and hinged/removable floor pan, allowing quick and easy access to the deck and ..., List Price: $35.72. Specs: Description: Valve Cover Kit. Replaces OEM Numbers: Kohler: 24 755 141-S, 24 755 74-S. Compatible With/Replacement For: Kohler: CH20, CH22, CH23, CH25, CH640, CH670, CH680, CH730 and CH740. Stens branded parts are trusted by professional dealers to perform OEM quality repairs. The Stens name is featured on all Genuine ..., Before working on engine or equipment, disable engine as follows: 1) Disconnect spark plug lead(s). 2) Disconnect negative (–) battery cable from battery. Using improper procedures can WARNING Hot Parts can cause severe burns. Do not touch engine while operating or just after stopping. Never operate engine with heat shields or guards removed., KT715 7000 Series Engine. ... Valves and Valve Tappets Clearance 0.101/0.152 mm (0.0040/0.0060 in.) Valve Tappet to Crankcase Running Clearance ... Kohler 25 455 12-S For reaming worn valve guides to accept replacement oversize valves. Can be used in low-speed drill press or with ..., The Briggs and Stratton 28N707 is a 465 cc (28.38 cu·in) single-cylinder air-cooled four-stroke internal combustion gasoline engine, manufactured by Briggs and Stratton. The B&S 28N707 engine has an OHV (overhed valve) design and a vertical PTO shaft. This engine is equipped with float type carburetor and an electronic ignition system., Jun 4, 2020 · Kohler Command V Twin valve always open. This is how I fixed the issue , 10 Specifications KohlerEngines.com 32 690 03 Rev. -- 3 Values are in Metric units. Values in parentheses are English equivalents. 7 Measure 6 mm (0.2362 in.) above bottom of piston skirt at right angles to piston pin. CLEARANCE SPECIFICATIONS 3 KT715 KT725 KT730 KT735 KT740 KT745 Piston, Piston Rings, and Piston Pin Piston-to-Piston Pin Running …, , The Kawasaki FR730V is a 0.73 l (726 cc, 44.3 cu-in) V-twin 90° air-cooled 4-stroke internal combustion small gasoline engine with vertical shaft, manufactured by Kawasaki Heavy Industries LTd., for general-purpose applications, such as residential zero-turn mowers, lawn and garden tractors.. The FR730V has 90 degrees V-twin design with vertical PTO shaft, …, Kohler KT740-3048 BAD BOY 25 HP (18.61 kW) Exploded View parts lookup by model. ... Valve Stem Seal. $11.21 Options Add to Cart. ... LABEL 7000 SERIES 7. $6.96 ..., The FR series is probably among the worst engines that Kawasaki has ever made. The air filter design is trash, the plastic cover breaks off easily, the rocker arms come loose, rods bend, ongoing valve guide problems, grass building up under the covers, repeated starter replacements required..ugh The 7000 series Kohler is a Courage engine, also with a sub-par air filter, but..it is basically a ..., We have the Kohler 7000 Series Valves you need, with fast shipping and great prices. For 7000 Series parts and accessories, think Jack’s! Popular Kohler 7000 Series Valves, Scagmower48 Discussion starter · May 31, 2008. I have a scag mower with a 14 H.P. Kohler Command. The mower lacks power. There is only 50 lbs. of compression but inspection of the head and valves found no evidence of worn or defective parts. Upon checking the valve/rocker assemblies there appears to be no clearance., Single Cylinder OHV - Model Series 260700, 261700 upper push rod (exhaust) is hollow. Model Series 28N700, 28Q700, 28U700, 28W700, 287707, 310700, ... Step 3: Check the valve clearance by placing a feeler gauge between the valve head and the rocker arm. Clearances differ for the two valves and typically range from .002 - .004" to .005 - .007".