hwo to change vacuum diaphram in carburetor on 350 honda rancher

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HONDA ATV Carburetor Repair Kits Installation

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Filed Under (Honda) by admin on 21-12-2011

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ATV Carburetor Repair Kits Complete kits to rebuild one OEM carburetor. Each kit contains necessary gaskets/o-rings, needle valve or needle valve set, and jets. Made in Japan. Note: Check all parts before installation. Honda Model Year Order No AT C70 78-85 025-001 AT C90 70-71 025-003 ATC90K1/K2/K3 72-75 025-003 AT C90 76-78 025-003 TRX90 Fourtrax 90 93-98 025-084 ATC110 79-83 025-005 ATC110 84-85 025-061 ATC125M 84-85 025-062 TRX125 Fourtrax 85-86 025-050 TRX125 Fourtrax 87-88 025-063 ATC185 1980 025-009 ATC185S 81-83 025-009 AT C200 81-82 025-008 AT C200 1983 025-009 ATC200E Big Red 82-83 025-064 ATC200ES Big Red 1984 025-064 AT C200M 84-85 025-064 AT C200S 84-86 025-065 AT C200X 83-85 025-012 AT C200X 86-87 025-014 TRX200 Fourtrax 200 90-91 025-066 TRX200D Fourtrax 200 Type II 1991 025-066 TRX200D Fourtrax 200 Type II 92-93 025-067 TRX200D Fourtrax 200 Type II 94-97 025-068 TRX200SX Fourtrax 87-88 025-069 ATC250R 81-82 025-017 ATC250R 83-84 025-018 AT C250R 1985 025-019 ATC250ES Big Red 85-87 025-029 AT C250SX 1985 025-070 TRX250 Fourtrax 250 1985 025-071 TRX250 Fourtrax 250 86-87 025-072 TRX250EX Sportrax 250EX 01-04 025-085 TRX250R Fourtrax 250R 86-87 025-060 TRX250R Fourtrax 250R 1988 025-073 TRX250X 91-92 025-074 TRX300 Fourtrax 300 1988 025-075 TRX300 Fourtrax 300 91-92 025-076 TRX300 Fourtrax 300 93-95 025-078 Honda Model Year Order No TRX300EX Fourtrax 300EX 93-98 025-081 TRX300FW Fourtrax 300 4×4 1988 025-075 TRX300FW Fourtrax 300 4×4 91-92 025-076 TRX300FW Fourtrax 300 4×4 93-95 025-078 AT C350X 1985 025-035 TRX350 Fourtrax 4×4 86-87 025-079 TRX350FE Fourtrax Rancher 4×4 ES 00-03 025-082 TRX350FM Fourtrax Rancher 4×4 00-03 025-082 TRX350TE Fourtrax Rancher ES 00-03 025-082 TRX350TM Fourtrax Rancher 00-03 025-082 TRX350D Fourtrax Foreman 4×4 87-89 025-079 TRX400FW Fourtrax Foreman 95-00 025-080 TRX450ES Fourtrax Foreman ES 98-01 025-083 TRX450FE Fourtrax Foreman ES 02-03 025-083 TRX450FM Fourtrax Foreman S 02-03 025-083 TRX450S Fourtrax Foreman S 98-01 025-083 TRX500FAFourtrax Rubicon 01-04 025-086

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YAMAHA RAPTOR 350 Removing stock carburetor and cables

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Filed Under (Yamaha) by admin on 18-01-2012

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remove seat and gas tank. Make sure fuel petcock is in “off” position. 2. Remove throttle cable paying close attention to routing, as the new cable (s) will need too be routed the same. 3. Remove stock carburetor and stock throttle housing. Stuff a clean, dry rag into manifold to keep debris out of motor. 4. Remove stock air box. 5. Remove choke cable from handlebars. 6. Remove carb vent line from bike. Carburetor installation 1. Carefully trim the rubber alignment tab off of the face of the manifold with a razor blade or side cutters. 2. Remove the hex pipe plug from the carb cap using a 11mm or 7/16 wrench. Do not discard plug, as it will be needed later. Install the metering adjustment tool included in the hardware kit. Do not over-tighten as damage may occur to cap. 3. Attach fuel line to carburetor and secure with clamp. 4. Install remote idle cable into tab on top of carburetor. See main manual for this step. NOTE: Nut must be removed from cable before installation 5. Place carburetor into manifold

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HSR Carburetor Total Kits Installation Instructions

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Filed Under (Mikuni) by admin on 31-10-2010

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Intake Manifold: 1. Install MAP sensor in Mikuni manifold (Twin Cam only). 2. Attach the Mikuni manifold to the engine. Align the manifold before tightening the bolts. The flange surface of the Mikuni manifold should be parallel with the front of the engine’s cam cover. Use a level or angle meter to check this. Tighten the manifold bolts. 3. Attach the rubber flange to the Mikuni manifold with the furnished 5/16″x3/4″ bolts and washers. Choke Cables: Mikuni & Harley-Davidson Route the cable with largest radius bends possible. Check the cable for free-play after installation. If there is no free-play, the engine may run rich and deliver poor performance or low fuel mileage. Harley Cable (Twin Cam Kits: 42-19, 45-4) : 1. Remove the Harley choke cable from the stock carb. 2. Remove the spring and plunger from the cable. 3. Remove the spring and plunger from the Mikuni. 5. Install the Mikuni spring and plunger onto the Harley choke cable. Change nothing else; be sure to use the Harley plastic nut, not the Mikuni nut (See Figure 1). Total Kit Installation Instructions The HSR series carburetors are precise yet durable instruments; however, like any other piece of fine equipment, they require correct installation and reasonable care to assure optimum performance and long life. Extra time spent during installation will pay off in both short and long term performance and reliability. This Mikuni HSR carburetor kit is designed to be a bolt-on application, and as such, is set-up and jetted properly for most applications. However, since Harley-Davidson motors are often highly modified, alternate tuning settings may be required. The Mikuni Tuning Manual helps make jetting alterations and adjustments an easy matter. NOTE: Carburetor Kits not designated as C.A.R.B. exempt, are not legal for motor vehicles operated on public highways in the state of California, or in any other states and countries where similar laws apply. WARNING NOTE: NOTE: WARNING CAUTION NOTE: NOTE: TK-2 6. Install the new assembly into the Mikuni carburetor. Be careful to only gently tighten the plastic nut. 7. Loosen the knurled plastic friction nut behind the choke knob and check for free-play (see Figure 2). Figure 1: Harley nut with Mikuni spring & plunger Figure 2: Choke cable adjustments Mikuni Cable (Evo Kits: 42-8, 45-2 & 45-3) : 1. Remove nut, spring and plunger from the Mikuni. 2. Install the nut, spring and plunger onto the cable. 3. Install the assembly into the Mikuni HSR carburetor. Be careful to only gently tighten the plastic nut. 4. Check for free-play. Adjust the cable as necessary. An optional choke cable mounting bracket is included in the Evo kits for custom installations. Carburetor Installation: 1. Insert the carb fully into the rubber flange, align with engine and tighten the clamp. 2. Slip the fuel hose onto the carburetor’s fuel fitting and secure with the enclosed hose clamp. NOTE: Some Twin Cam installations may require removal of a small amount of fin material from the cylinders to clear the float bowl. Throttle Cables The HSR carburetor uses stock 1990 and later Harley- Davidson cables. However, if your Harley is fitted with some other carburetor, you may need to purchase a set of cables. See your dealer for the correct cable set. 1. Route the throttle cables with large radius curves and so they do not interfere with other components. 2. Screw the cable adjusters together to make them as short as possible. 3. Connect the “close” cable first (see Figure 3). 4. Install the “open” cable next (see Figure 3). 5. Adjust the opening cable until the slide can be opened fully. Snug the adjuster lock nut. 6. Turn the handlebar to the right and adjust the throttle free-play with the closing cable adjuster to approximately 1/8″ (see Figure 4)

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Aprilia Falco Synchronizing the Cylinder Vacuum

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Filed Under (Aprilia) by admin on 26-10-2010

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Motorcycle cylinders work quite independently compared to automobiles. Separate carburation, intake manifolds, exhaust pipes and sometimes even independent air filters allow the cylinders to be tuned so that one may be making more power than another. This can be due to differences in air flow, temperature, injection, or valve adjustment betwen the cylinders. Periodically, the cylinders should be synchronized. This is usually done by comparing intake manifold vacuum beneath each throttle and trimming the mixture until balanced. Some old-timers will tell you it can be done by ear, listening to the air flow in each carb throat through a tube stuck in your ear. Most modern tuners have switched to mercury sticks. Rigid tubes stuck in a bath of mercury are attached to the vacuum source. The vacuum draws the mercury up the sticks in proportion to pressure difference between the manifold and the atmosphere. In order to smooth out the individual vacuum pulses, a damping device is needed. This is nothing more than a small orifice (pin hole) restriction in the lines, placed close to the manifold with an air reservoir (length of tube) behind it. Because there is no real air flow in the gauges, there is no pressure drop across the orifice. But when the manifold vacuum drops there is a delay before the gauge pressure can bleed off and it appears steady and readable. Other types of vacuum gauges include mercury-less versions (that draw metal rods), or traditional needle, or “clock” gauges. The clock gauges are very fast acting (they are designed that way so you can see engine problems such as sticking valves). You will definitely need a damper if you choose a clock gauge. I would recommend using two side by side gauges for checking cylinder synch. The reason is, the cylinders are not perfectly independent. As one cylinder drops strength, the idle drops, and this will change the vacuum in the second cylinder’s manifold. It takes a bit of fooling around to get a cause-and-effect feel when you are turning the screws. Swapping gauges would make this difficult

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KTM 60 SX / 65 SX REPAIR MANUAL ENGINE

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Filed Under (KTM) by admin on 12-11-2010

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Carburetor adjustment Basic information about the original carburetor setting The original carburetor setting was adapted for an altitude of approx. 500 meters (1600 ft.) above sea level, and the ambient temperature of approx. 20°C (68°F), mainly for off-road use and central European premium-grade fuel (ROZ 95). Mixing ratio 2-stroke motor oil : super fuel 1:40 . Basic information of changing the carburetor setting Always start out from the original carburetor setting. Essential requirements are a clean air filter system, air-tight exhaust system and an intact carburetor. Experience has shown that adjusting the main jet, the idling jet and the jet needle is sufficient and that changes of other parts of the carburetor will not greatly affect engine performance. RULE OF THUMB: high altitude or high temperatures  choose leaner carburetor adjustment low altitude or low temperatures  choose richer carburetor adjustment * WARNING * -ONLYUSE PREMIUM – GRADE GASOLINE ROZ 95 MIXED WITH HIGH – GRADE TWO – STROKE ENGINE OIL . OTHER TYPES OF GASOLINE CAN CAUSE ENGINE FAILURE , AND USE OF SAME WILL VOID YOUR WARRANTY . -ONLYUSE HIGH – GRADE 2- STROKE ENGINE OIL OF KNOWN BRANDS ( I . E .SHELL ADVANCE RACING X). -NOTENOUGH OIL OR LOW – GRADE OILCAN CAUSE EROSION OF THE PISTON . USING TOO MUCH OIL , THE ENGINE CAN START SMOKING AND FOUL THE SPARKPLUG . -INTHE CASE OFA LEANER ADJUSTMENT OF THE CARBURETOR PROCEED CAUTIOUSLY . ALWAYSREDUCETHEJETSIZEINSTEPSOFONENUMBERTOAVOID OVERHEATING AND PISTON SEIZURE . NOTE: If despite a changed adjustment the engine does not run properly, look for mechanical faults and check the ignition system. Basic information on carburetor wear As a result of engine vibrations, throttle valve, jet needle, and needle jet are subjected to increased wear. This wear may cause carburetor malfunction (e.g., overly rich mixture). Therefore, these parts should be replaced after 1000 hours of using. Idling range – A Operation with closed throttle valve. This range is influenced by the idle adjusting screw 1 . Only make adjustments when the engine is hot. The idling speed can be changed by turning the idle adjusting screw. Turning it clockwise produces a higher idling speed and turning the screw counterclockwise produces a lower idling speed. Opening up – B Engine behavior when the throttle opens. The idle jet and the shape of the throttle valve influences this range. If, despite good idling-speed and part-throttle setting, the engine sputters and smokes when the throttle is fully opened and develops its full power not smoothly but suddenly at high engine speeds, the mixture to the carburetor will be too rich, the fuel level too high or the float needle is leaking. Part-throttle range – C Operation with partly open throttle valve. This range is only influenced by the jet needle (shape and position). The optimum part-throttle setting is controlled by the idling setting in the lower range and by the main jet in the upper range. If the engine runs on a four-stroke cycle or with reduced power when it is accelerated with the throttle partly open, the jet needle must be lowered by one notch. If then the engine pings, especially when accelerating under full power at maximum engine revs, the jet needle should be raised. If these faults should occur at the lower end of the part throttle range at a four-stroke running, make the idling range leaner; if the engine pings, adjust the idling range richer

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1999 Toyota Camry LE V6 Body and Interior Maintenance Record

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Filed Under (Toyota Manuals) by admin on 03-10-2011

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Action Date Mileage Day Cost (with tax) By Interval Notes Oil and Oil Filter Change 8/30/1999 2494 Monday$77.97 Dealer 2494Non-synthetic 5w-30 (Toyota dealer stock) Oil and Oil Filter Change 10/31/1999 5484 Sunday $30 Owner 2988.5Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Oil and Oil Filter Change 12/30/1999 8460 Thursday$30 Owner 2975.9Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Oil and Oil Filter Change 2/21/2000 11414 Monday $30 Owner 2953.3Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Oil and Oil Filter Change 4/22/2000 14479 Saturday$30 Owner 3065.6Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Oil and Oil Filter Change 7/4/2000 17339 Tuesday$30 Owner 2860.1Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Air Filter – Replace 7/4/2000 17339 Tuesday$15 Owner 17339Purolator A24690 Air Filter Oil and Oil Filter Change 9/16/2000 20161 Saturday$30 Owner 2821.9Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Transmission Drain and Fill 10/27/2000 21913 Saturday$15 Owner 21913Drain and Fill 2.5 Quarts Mobil 1 Dexron III Synthetic ATF Transmission Drain and Fill 10/28/2000 21920 Sunday $15 Owner 7Drain and Fill 2.5 Quarts Mobil 1 Dexron III Synthetic ATF Oil and Oil Filter Change 11/19/2000 23066 Sunday $30 Owner 2904.6Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Oil and Oil Filter Change 2/11/2001 26062 Sunday $30 Owner 2996.1Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Transmission Flush 4/30/2001 28351 Monday$135 Dealer 2835113 Quarts Mobil 1 Dexron III Synthetic ATF – TransTech Flush Tires – Rotate 5/12/2001 28766 Saturday$0 Dealer 28766Tires – Rotate Coolant Flush 5/12/2001 28766 Saturday$112 Dealer 28766Toyota Red Coolant + MOC Flush (Extended warranty with service) Oil and Oil Filter Change 5/13/2001 28793 Sunday $30 Owner 2730.6Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Air Filter – Replace 5/13/2001 28793 Sunday $15 Owner 11454Purolator A24690 Air Filter PCV Valve – Replace 5/26/2001 31083 Saturday$10 Owner 31083Toyota OEM PCV Valve Windshield Wipers – Replace 5/26/2001 31083 Saturday$10 Owner 31083Windshield Wipers – Replace Oil and Oil Filter Change 5/27/2001 31296 Monday $30 Owner 2502.8Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Oil and Oil Filter Change 9/15/2001 34374 Saturday$30 Owner 3078.5Mobil 1 5w-30 + Mobil 1 Filter (M1-102) Tires – Replace 9/28/2001 34784 Friday$431.23 Dealer 34784 (4) Bridgestone RE950 Tires (2 of original tires had tread separation – ~30% tread remaining) Oil and Oil Filter Change 11/12/2001 37365 Monday $30 Owner

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Honda CARBURETOR ADJUSTMENT TOOLS

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Filed Under (Honda) by admin on 17-12-2011

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K&L CARBURETOR ADJUSTMENT WRENCHES These tools use tough and accurate bevel gear actuation instead of cable for professional use. The aluminum handle includes index marks for accurate tuning. Sold each. Three types available: 35-9653 Slot-type Pilot Screw Adjustment Wrench for Kawasaki/Suzuki/Yamaha 35-9658 Slot-type Pilot Screw Adjustment Wrench with longer tip for Kawasaki/Suzuki/Yamaha 35-9650 D-type Keihin Pilot Screw Adjustment Wrench for Honda 90-DEGREE 1/4″ HEX DRIVER This gear driven, 1/4″ hex driver set is made of high-grade aluminum and stainless steel. Strongest tool of it’s type on the market. Designed for use on hard-to-reach pilot air screws on inline fours. Can be used with any 1/4″ or 6mm hex bits. 35-7820 90-Degree 1/4″ Hex Driver Set: Includes straight slot, phillips, d-shape pilot screw bit, 6mm hex jet bit & 1/4″ – hex – 1/4″ drive bit. FCR CARB TOOL Set includes three bits – 6mm hex for main jets, long reach straight slot for pilot jets and 3mm allen for float bowl removal. Longer bits make this set ideal for reaching into recessed cavities when adjusting Keihin FCR carburetors. Sold as a set. 35-7978 FCR Carb Tool 12″ DRILL BIT For removal of carburetor plug. (mixture screw plug) 1/8″ bit x 12 inch length. 35-1186 YM-33217-16 JET DRIVER 35-2270 Perfect for removal of jets from small recessed passages

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Honda 2007-2010 Rancher 420 ATV Rear Bumper Installation

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Filed Under (Honda) by admin on 22-12-2011

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Honda Rancher 420 ATV Rear Bumper (2007-2010) Installation Instructions 1. Attach top bumper attachments to top rack. 2. Attach the rear bumpers lower attachment point to vertical bars

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HONDA 420 RANCHER 2×4/4×4 2007-2009 CLUTCH KIT INSTRUCTIONS

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Filed Under (Honda) by admin on 22-12-2011

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Remove key from the ignition switch. Remove the side panels from both sides. Remove both foot wells. 2. Drain coolant. Remove the oil drain plug from the motor; if you carefully drain it into a clean container you should be able to reuse it. 3. Disconnect shift motor (on electric shift models only). Remove coolant hoses. 4. Remove the bolts that mount the front differential to the frame, no other parts need to be removed. Carefully slide the front differential towards the front of the machine; you might need to lift up slightly to get the differential to move. Remove the drive shaft. Remove o-ring on output shaft (on motor). 5. Remove the fuel pump. 6. Loosen the front crankcase cover bolts, keep track of each bolt length and location. Slowly remove the crankcase cover. Carefully watch for o-ring shims and dowel pins that may fall out. 7. Unstake the nut holding the clutch on and remove nut. Using Honda tool #07933-HB3000A thread the large part of the tool into the center of the clutch. Tighten the center bolt on the tool while holding the large part of the tool with a wrench. This will pull the clutch off the machine. Place the clutch on a clean work surface. EPI performance.com
8. Using the c-clamps push down slightly on the outside cover and remove the four e-clips. Keeping track of which way they come off, remove the round metal plates one at a time. This will allow you to see the complete spring. Remove one end of each spring using a spring tool or needle nose pliers and then remove springs. Install the EPI springs by inserting the spring into the outer edge first. Using a spring tool or pliers (45 degree bent pliers work well) pull on the spring and insert the end into the hole. Install the metal plates and the e-clips. If you can’t get the plates to sit flat make sure each clutch arm is flat against the bottom plate of the clutch. Occasionally when you put the springs on, the clutch arms will pop up. Slide the clutch into the machine. The Sprague clutch is marked “outside” when installing make sure this is facing out. Torque clutch nut to 87 ft/lbs. 9. Clean the gasket surface on the motor and on the cover. Put a thin layer of Honda Bond or Yamabond semi-drying liquid gasket (or something similar as long as it is semi-drying) on the crankcase cover. Carefully install crankcase cover, do not force cover on. Torque bolts to 9 ft/lbs. 10. Install the fuel pump. 11. Install the o-ring on the output shaft (on motor) and install the drive shaft. Carefully slide the front differential back into place and mount to the frame. Install the coolant hoses. Refill your engine coolant to the proper level according to your owner’s manual. 12. Install the oil drain plug. Refill your engine to the proper level according to your owner’s manual. You can reuse your oil if it is clean and was drained into a clean container. Only use manufactures recommended oil. 13. Be sure to double check coolant and oil levels and to look for any leaks after the machine has run for a few minutes. 14. Go out and ride your machine. If your performance doesn’t seem right double check to make sure everything has been done properly. 15. EPI is constantly testing our products. Sometimes there is a need to contact the user with new technical information. To ensure that you are receiving this information visit our web site EPIperformance.com to register your clutch kit.

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YAMAHA YFM 350 Removing stock carburetor and cables.

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Filed Under (Yamaha) by admin on 19-01-2012

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Remove seat and gas tank. Make sure fuel petcock is in “off” position. 2. Remove throttle cable paying close attention to routing, as the new cable (s) will need too be routed the same. 3. Remove stock carburetor and stock throttle housing. Preparing motor for carburetor install 1. Remove stock manifold from cylinder head. 2. Place supplied o’ring into aluminum flange as pictured in figure 1. Figure 1. 3. Install aluminum and rubber flange to motor using supplied bolts. See Figure 2. The shorter 25mm bolt will need to be placed in the bottom hole. IMPORTANT NOTE: Install the aluminum flange with the o’ring towards the motor and the thick side up.

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