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Engines

At Fun Bikes we stock a collection of engines perfect for mini pit bikes. From a semi-auto 90cc engine to a 4 valve 140cc engine with a brand new high performance cylinder head, we have everything to either repair or update your mini pit bike.

Home > Spares > Pit Bike Spares > Engine > Engines
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Pit Bike Engine 140cc DTE140 YX140 Basic

Pit Bike Engine 140cc DTE140 YX140 Basic

Pit Bike Engine 140cc DTE140 YX140 Basic YX Motorsport is considered the best brand pit bike engine. This Gen 3 engine has a lighetened flywheel, improved ignition, a 4-speed race pattern gearbox N-...

Now only £285.00
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M2R KXF125 Pit Bike 125cc Air Cooled Engine M2R M2R KXF125 Pit Bike 125cc Air Cooled Engine Basic Engine Model year 2019 onwards, though will fit previous model and other brands. Shown as part 1 Part Number: W.125.1109 W.125.1109
M2R KXF125 Pit Bike 125cc Air Cooled Engine
M2R KXF125 Pit Bike 125cc Air Cooled Engine
205 GBP £205.00 OutOfStock
OUT OF STOCK
Pit Bike 125cc Electric Start YX Motorsports Full Engine FUN:BIKES Pit Bike 125cc Electric Start YX Motorsports Full Engine YX Motorsport is considered the best brand pit bike engine. This engine has a 4-speed gearbox and features a big valve head. Kick start in neutral gear only. Electric start with stator plate that generate voltage hence will power lights etc. Bore x Stroke is 54mm x 56mm, and the inlet exhaust valve is 23mm x 27mm. Factory official power figures quote 8.8 horsepower. Includes Kick start Gear lever Carb manifold Carburettor Manifold gaskets Manifold fixings Cdi Coil Kill switch Air filter This a superb engine and will fit most pit bikes. Warning: Supplied dry. Add 10w/40 Engine oil before use View Engine Oil PC816DEA
Pit Bike 125cc Electric Start YX Motorsports Full Engine
Pit Bike 125cc Electric Start YX Motorsports Full Engine
Pit Bike 125cc Electric Start YX Motorsports Full Engine
Pit Bike 125cc Electric Start YX Motorsports Full Engine
228 GBP £228.00 OutOfStock
OUT OF STOCK
M2R RF160 S2 Pit Bike 160cc Oil Cooled Engine M2R M2R RF160 S2 Pit Bike 160cc Oil Cooled Engine Basic Engine. Shown as part 1-B Part Number: w.150.0010 w.150.0010
M2R RF160 S2 Pit Bike 160cc Oil Cooled Engine
M2R RF160 S2 Pit Bike 160cc Oil Cooled Engine
480 GBP £480.00 InStock
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M2R RF125 S2 Pit Bike 125cc Air Cooled Engine M2R M2R RF125 S2 Pit Bike 125cc Air Cooled Engine Basic Engine Shown as part 1-B Part Number: w.125.1109 w.125.1109
M2R RF125 S2 Pit Bike 125cc Air Cooled Engine
M2R RF125 S2 Pit Bike 125cc Air Cooled Engine
205 GBP £205.00 OutOfStock
OUT OF STOCK
M2R M1 250cc Dirt Bike Basic Engine FUN:BIKES M2R M1 250cc Dirt Bike Basic Engine Full engine without anncilleries. Shown as part 1 Part number L.TY223.42 L.TY223.42
M2R M1 250cc Dirt Bike Basic Engine
M2R M1 250cc Dirt Bike Basic Engine
480 GBP £480.00 OutOfStock
OUT OF STOCK
M2R RF140 S2 Pit Bike 140cc Oil Cooled Engine M2R M2R RF140 S2 Pit Bike 140cc Oil Cooled Engine Basic engine. Shown as part 1-B Part Number: w.140.0100 w.140.0100
M2R RF140 S2 Pit Bike 140cc Oil Cooled Engine
M2R RF140 S2 Pit Bike 140cc Oil Cooled Engine
285 GBP £285.00 InStock
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Pit Bike Engine 180cc DTE180 YX180 Basic FUN:BIKES Pit Bike Engine 180cc DTE180 YX180 Basic YX Motorsport is considered the best brand pit bike engine. This Gen 3 HIGH TORQUE engine has a lightened flywheel, improved ignition, a 4-speed race pattern gearbox N-1-2-3-4 and features a big valve head. The engine is kick start in gear. Bore x Stroke is 63.5mm x 57mm. Factory official power figures quote TBC horsepower. It is their most powerful engine. Includes Kick start Gear lever Carb manifold Manifold gaskets Manifold fixings YX engines are the number 1 manufacturer of pit bike engines. With this engine package you are buying a superb engine that is suitable for both fun and full competition use. Please note the stator plate fitted is race off road oriented and not suitable for running lighting kits. Warning: Supplied dry. Add 10w/40 Engine oil before use View Oil Just transfer this 180cc monster into your existing bike and away you go! AWESOME!! PCBA5DF9
Pit Bike Engine 180cc DTE180 YX180 Basic
Pit Bike Engine 180cc DTE180 YX180 Basic
Pit Bike Engine 180cc DTE180 YX180 Basic
Pit Bike Engine 180cc DTE180 YX180 Basic
515 GBP £515.00 OutOfStock
OUT OF STOCK
Pit Bike Engine 180cc DTE180 YX180 Full Kit FUN:BIKES Pit Bike Engine 180cc DTE180 YX180 Full Kit YX Motorsport is considered the best brand pit bike engine. This Gen 3 HIGH TORQUE engine has a lightened flywheel, improved ignition, a 4-speed race pattern gearbox N-1-2-3-4 and features a big valve head. The engine is kick start in gear. Bore x Stroke is 63.5mm x 57mm. Factory official power figures quote approx 17-19 horsepower. It is their most powerful engine. Includes Kick start Gear lever Carb manifold Manifold gaskets Manifold fixings Carburettor Air Filter Cdi M2R Racing professional oil cooler Kill switch Coil pack YX engines are the number 1 manufacturer of pit bike engines. With this engine package you are buying a superb engine that is suitable for both fun and full competition use. Please note the stator plate fitted is race off road oriented and not suitable for running lighting kits. Warning: Supplied dry. Add 10w/40 Engine oil before use View Oil Just transfer this 180cc monster into your existing bike and away you go! AWESOME!! PC2456D6
Pit Bike Engine 180cc DTE180 YX180 Full Kit
Pit Bike Engine 180cc DTE180 YX180 Full Kit
Pit Bike Engine 180cc DTE180 YX180 Full Kit
Pit Bike Engine 180cc DTE180 YX180 Full Kit
570 GBP £570.00 InStock
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Pit Bike Electric Start Engine 150cc DTE150 YX150 Basic FUN:BIKES Pit Bike Electric Start Engine 150cc DTE150 YX150 Basic YX Motorsport is considered the best brand pit bike engine. This Gen 3 HIGH TORQUE engine has a lightened flywheel, improved ignition, a 4-speed race pattern gearbox N-1-2-3-4 and features a big valve head. The engine is kick start in gear, and ELECTRIC START. Bore x Stroke is 60mm x 53mm, and the compression ratio is 9.2:1. Factory official power figures quote 14.5 horsepower. Max torque is 11n.m Includes: Kick start Gear lever Carb manifold Manifold gaskets Manifold fixings YX engines are the number 1 manufacturer of pit bike engines. With this engine package, you are buying a superb engine that is suitable for both fun and full competition use. Stator plate fitted is road oriented and is suitable for running lighting kits. Warning: Supplied dry. Add 10w/40 Engine oil before use PC790174
Pit Bike Electric Start Engine 150cc DTE150 YX150 Basic
Pit Bike Electric Start Engine 150cc DTE150 YX150 Basic
Pit Bike Electric Start Engine 150cc DTE150 YX150 Basic
Pit Bike Electric Start Engine 150cc DTE150 YX150 Basic
400 GBP £400.00 InStock
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Pit Bike Engine 150cc DTE150 YX150 Basic FUN:BIKES Pit Bike Engine 150cc DTE150 YX150 Basic YX Motorsport is considered the best brand pit bike engine. This Gen 3 HIGH TORQUE engine has a lightened flywheel, improved ignition, a 4-speed race pattern gearbox N-1-2-3-4 and features a big valve head. The engine is kick start in gear. Bore x Stroke is 60mm x 53mm, and the compression ratio is 9.2:1. Factory official power figures quote 14.5 horsepower. Max torque is 11n.m Includes Kick start Gear lever Carb manifold Manifold gaskets Manifold fixings YX engines are the number 1 manufacturer of pit bike engines. With this engine package you are buying a superb engine that is suitable for both fun and full competition use. Please note the stator plate fitted is race off road oriented and not suitable for running lighting kits. Warning: Supplied dry. Add 10w/40 Engine oil before use View Oil Just transfer this 150cc monster into your existing bike and away you go! AWESOME!!!!! PC0DE9AE
Pit Bike Engine 150cc DTE150 YX150 Basic
Pit Bike Engine 150cc DTE150 YX150 Basic
Pit Bike Engine 150cc DTE150 YX150 Basic
Pit Bike Engine 150cc DTE150 YX150 Basic
335 GBP £335.00 OutOfStock
OUT OF STOCK
M2R KX110F Pit Bike 110cc Engine FUN:BIKES M2R KX110F Pit Bike 110cc Engine Kick start. Four speed. Fitted with 420 pitch 14 tooth sprocket. Factory supplied and guaranteed to fit the M2R kX110F dirt bike. Shown as part 1 Part Number: W.110.0821 W.110.0821
M2R KX110F Pit Bike 110cc Engine
M2R KX110F Pit Bike 110cc Engine
192 GBP £192.00 InStock
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M2R 50R 50cc Automatic Engine FUN:BIKES M2R 50R 50cc Engine Electric start, automatic rev and go engine. Fitted with 420 pitch 10 tooth sprocket. Factory supplied and guaranteed to fit the M2R 50R dirt bike. Shown as part 1 Part Number: W.050.0073 W.050.0073
M2R 50R 50cc Automatic Engine
M2R 50R 50cc Automatic Engine
180 GBP £180.00 InStock
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