COVid-19 Update: Delivery Estimates: Confirmed in Checkout - Sales, Customer Service & Technical Support Lines: Open As Normal - Showroom: Closed

Warehouse Deals
Sales & Customer Services: 01664 498 640
Free Technical Support: 01664 498 640
FAVS
SALE
TOGGLE MENU

TOGGLE MENU

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
SPECIAL OFFER
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
Displaying 12 of 36 product
12 / 24 / 50 / 100

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
M2R KX110F Pit Bike 110cc Engine
M2R KX110F Pit Bike 110cc Engine
192 GBP £192.00 InStock
OUT OF STOCK
Ten10 250R Dirt Bike Basic Engine FUN:BIKES Ten10 250R Dirt Bike Basic Engine Also fits M2R J2 250cc Full engine without anncilleries. Shown as part 1 Part number L.TY223.44 L.TY223.44
Ten10 250R Dirt Bike Basic Engine
Ten10 250R Dirt Bike Basic Engine
480 GBP £480.00 OutOfStock
OUT OF STOCK
M2R M1 250cc Dirt Bike Engine Gasket Set FUN:BIKES M2R M1 250cc Dirt Bike Engine Gasket Set Part number PCFF0E04 PCFF0E04
M2R M1 250cc Dirt Bike Engine Gasket Set
M2R M1 250cc Dirt Bike Engine Gasket Set
24 GBP £24.00 InStock
ADD TO BASKET
M2R M1 250cc Dirt Bike Piston Ring FUN:BIKES M2R M1 250cc Dirt Bike Piston Ring Part number PCE3570E PCE3570E
M2R M1 250cc Dirt Bike Piston Ring
M2R M1 250cc Dirt Bike Piston Ring
10.8 GBP £10.80 InStock
ADD TO BASKET
M2R M1 250cc Dirt Bike Piston FUN:BIKES M2R M1 250cc Dirt Bike Piston Part number PCFFF942 PCFFF942
M2R M1 250cc Dirt Bike Piston
M2R M1 250cc Dirt Bike Piston
18 GBP £18.00 OutOfStock
OUT OF STOCK
M2R KMX-R 160 Pit Bike YX 160cc Oil Cooled Engine M2R M2R KMX-R 160 Pit Bike YX 160cc Oil Cooled Engine Shown as Part: 1-C Part Number: W.160.0219 W.160.0219
M2R KMX-R 160 Pit Bike YX 160cc Oil Cooled Engine
M2R KMX-R 160 Pit Bike YX 160cc Oil Cooled Engine
480 GBP £480.00 InStock
ADD TO BASKET
M2R KMX-R 140 Pit Bike YX 140cc Oil Cooled Engine M2R M2R KMX-R 140 Pit Bike YX 140cc Oil Cooled Engine Shown as Part: 1-B Part Number: W.140.013D W.140.013D
M2R KMX-R 140 Pit Bike YX 140cc Oil Cooled Engine
M2R KMX-R 140 Pit Bike YX 140cc Oil Cooled Engine
285 GBP £285.00 InStock
ADD TO BASKET
M2R KMX-R 125 Pit Bike 125cc Air Cooled Engine M2R M2R KMX-R 125 Pit Bike 125cc Air Cooled Engine Shown as Part: 1-A Part Number: W.125.1109 SILVER W.125.1109 SILVER
M2R KMX-R 125 Pit Bike 125cc Air Cooled Engine
M2R KMX-R 125 Pit Bike 125cc Air Cooled Engine
205 GBP £205.00 OutOfStock
OUT OF STOCK
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 SILVER W.125.1109
M2R KXF125 Pit Bike 125cc Air Cooled Engine
M2R KXF125 Pit Bike 125cc Air Cooled Engine
205 GBP £205.00 InStock
ADD TO BASKET
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 OutOfStock
OUT OF STOCK
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 black w.125.1109 black
M2R RF125 S2 Pit Bike 125cc Air Cooled Engine
M2R RF125 S2 Pit Bike 125cc Air Cooled Engine
205 GBP £205.00 InStock
ADD TO BASKET

Loading...LOAD MORE

Displaying 12 of 36 product
loading

NEED SOME SPARE PARTS?

SHOW ME ALL SPARE PARTS

Cookies

Not the tasty chocolate chip kind, but important for you to know - we use cookies to offer you the best experience possible when shopping with us.
Continue to browse if you're happy with our Privacy & Cookie Policy.