Transmission Parts

T8F 11 Tooth Sprocket Transmission Double Chain Gearbox used on 2 Stroke 33cc, 34cc, 47cc ,49cc, 50cc Engines on Pocket Bikes. Dirt Bikes, Mini ATVs and Buggy Go karts. Transmission Type:T8F chain, 11 Tooth Sprocket Gearbox(Double...

Starter Clutch Assembly for VOG 260 BN169MM Engines commonly found in Linhai 250/260/300 Scooters and many other makes and models.Some of the models and brands using this engine include the Aprilia Leonardo 250, Aprilia Leonardo 300, Benelli Velvet 250,...

Clutch Bell 22-26cc small, 2-stroke engines. Small 22-26cc Clutch Bell Specification: Outer Diameter: 60mm Inner Diameter: 56 Thread Size: M10x1.00 Overall Height: 28mm

Semi-automatic clutch pack for Honda style 4-stroke horizontal cylinder engines. Semi-Auto Clutch Kit Specifications Outer Diameter: 116mm (4.5 inches) Overall Height: 40mm

Samurai Performance 3mm Stroker Crankshaft for the Yamaha Zuma 125. Samurai Zuma 125 Stroker Crankshaft Specifications Overall Length: approximately 258mm Thread Size (tapered side): M12x1.25 Thread Size (splined side): M12x1.25 Bearing Outer Diameter...

Samurai Performance Transmission Kit for the Yamaha Zuma 125. Samurai Performance Transmission Kit Specifications: Includes: Performance Clutch Bell (Inner Diameter: 120mm, Number of Splines: 16) Performance Clutch (Outer Diameter: 116mm) Performance...

Samurai Performance Clutch Kit for the Yamaha Zuma 125.Includes: Performance Clutch Bell (Inner Diameter: 120mm, Number of Splines: 16) Performance Clutch (Outer Diameter: 116mm)

Samurai High Performance 10 Hole Fuel Injector for the Yamaha Zuma 125. Samurai High Performance Fuel Injector Specifications 10 Holes

Samurai Performance High Lift Camshaft for the Yamaha Zuma 125. Samurai High Lift Camshaft Specifications Intake Lobe (at greatest point): 27mm Exhaust Lobe (at greatest point): 26.8mm

RPM Racing 260mm Performance Disc Kit for the Yamaha Zuma 125 by Samurai. Includes caliper adaptor bracket and stainless steel rotor. (Inner Diameter: 82mm, Outer Diameter: 260mm) Samurai RPM Racing Disc Kit Specifications: Includes Caliper Adaptor...

Rear Clutch Output Shaft, Type-1 Long Version for 50cc 4-stroke QMB139 engines. Rear Drive Shaft Specifications: Thread Size: M10x1.25 Number of Splines: 22 Number of Teeth (gear): 16 Overall Length: 155mm

High Performance Lightweight Clutch Bell with Cooling Fins for QMB139 50cc, 4-stroke engines. Clutch Bell Inner Diameter: 107mmClutch Bell Outer Diameter: 125mmNumber of Splines: 22Splined Inner Diameter (peak to peak): 11mmSplined Inner Diameter (valley...

Hoca Performance 50cc, 4-stroke QMB139 Clutch with Ventilated Clutch Bell with friction enhancing coating. Outer Diameter (clutch bell): 115mmInner Diameter (clutch bell): 107mmOuter Diameter (shoes): 104mmClutch Bell Inner Diameter (splines peak to...

High Performance Adjustable Racing Clutch with 2 different sets of clutch springs for QMB139 50cc, 4-stroke engines. Spring loads can be adjusted by using the lock-in positions. Under the clutch shoes screws are attached to function as adjustable inertia...

Transmission with internal chain. X7 Pocket Bike chain transmission Specifications: Inner Diameter (clutch bell): 78mm Gear Ratio 3:1

Gearbox Transmission Type-3 for 47cc and 49cc Cag and Daytona style pocket bikes and pocket quads. Pocket Bike Transmission Type-3 Specifications: 6 Tooth Sprocket Inner Diameter (clutch drum): 78mm Overall Height: 60mm Uses BF05T chain

Performance Teflon Coated Pulley/Variator set for 125/150cc GY6 engines. This Pulley/Variator set has a special roller track design for a bigger contact surface and angle. Roller weights not included. Specifications Please see below for measurements

Over Riding Clutch Assembly with Driven Gear for 250cc 4-stroke water-cooled CN250 172mm engines. Overriding Clutch Assembly Specifications Overriding Clutch (Starter Clutch) Outer Diameter: 88mm Inner Diameter: 42mm Thread Size: M8x1.25 Driven Gear ...

15x12 Performance Roller Weights.Minarelli, 50cc 2-stroke 1PE40QMB Performance Roller Weights.We recommend starting performance upgrades by changing the variator roller weights before engaging in any performance upgrades.Heavier roller weights: A slower...

Variator Kit for Morini AD50 engines commonly found on Hyosung, Suzuki and TGB Street Scooters.Includes variator, drive face, ramp plate, restrictor plate, boss, roller weights, slide peices. Morini AD50 Variator Kit Specifications: Includes Size 17x12...

Clutch Assembly with Bell for Morini AD50 engines commonly found on Hyosung, Suzuki and TGB Street Scooters.Includes clutch, pulley and bell housing. Morini AD50 Clutch Assembly Specifications: Outer Diameter (pulley): 123mm Outer Diameter (clutch...

Automatic Clutch Set for the most common type of 49cc to 125cc 4-stroke Horizontal cylinder engines found on Chinese Dirt bikes, ATVs, super pocket bikes, mini-choppers and dune buggies. Honda 4-stroke Automatic Clutch Set Specifications: Automatic...

Hoca Performance Torque Spring Base for 50cc QMB139 4-stroke engines and engine based vehicles. The QMB139 Torque Spring Base will allow for smoother torque spring action through the use of ball bearings. This allows the spring to pivot and turn free...

Hoca Performance Torque Spring Base for 50cc or 90cc Minarelli 2-stroke engines and engine based vehicles. The Minarelli Torque Spring Base will allow for smoother torque spring action through the use of ball bearings. This allows the spring to pivot and...

Hoca Performance Replacement Fiberglass Reeds for the Hoca 50cc 2-stroke 1PE40QMB Minarelli intake and our Hoca performance Honda Dio-SR intake. Hoca Performance Fiberglass Reeds Specifications: Fiberglass Dimensions: 38mm x 36mm Thickness: 0.40mm Bolt...