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Engines

At Fun Bikes we stock a collection of engines perfect for mini dirt bikes. From a basic 49cc engine to a race stage 3 engine with a brand new high performance cylinder head, we have everything to either repair or update your mini dirt bike.

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FunBikes Cobra 4S Dirt Bike Engine

FunBikes Cobra 4S Dirt Bike Engine

  FunBikes Cobra 4S Dirt Bike Engine Complete, single cyclinder, four stroke 50cc engine to fit the Cobra 4S dirt bike post 2014. Includes starter motor, carb etc Part number 2.

Now only £192.00
Displaying 12 of 17 product
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Funbikes Petrol MXR Dirt Bike Gearbox Transfer Box FUN:BIKES Funbikes Petrol MXR Dirt Bike Gearbox Transfer Box Gearbox also called a transfer box. Shown attched to F-1 Just bolt on. PC4758A2
Funbikes Petrol MXR Dirt Bike Gearbox Transfer Box
Funbikes Petrol MXR Dirt Bike Gearbox Transfer Box
Funbikes Petrol MXR Dirt Bike Gearbox Transfer Box
Funbikes Petrol MXR Dirt Bike Gearbox Transfer Box
24 GBP £24.00 InStock
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Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Lock Nut FUN:BIKES Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Lock Nut The engine is supported from the main frame with top bracket F-19. Fixings required are F-16 x2 / F-17 lock nuts, F-18 x2 washer and F-20 lock nut. Part number F-20 DB710 / F-20
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Lock Nut
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Lock Nut
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Lock Nut
0.4 GBP £0.40 InStock
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Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Washer FUN:BIKES Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Washer The engine is supported from the main frame with top bracket F-19. Fixings required are F-16 x2 / F-17 lock nuts, F-18 x 2 washer and F-20 lock nut. Part number F-18 DB710 / F-18
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Washer
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Washer
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Washer
0.12 GBP £0.12 InStock
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Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Top Bolt FUN:BIKES Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Top Bolt The engine is supported from the main frame with top bracket F-19. Fixings required are F-16 x2 / F-17 lock nuts, F-18 x2 washer and F-20 lock nut. Part number F-17 DB710 / F-17
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Top Bolt
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Top Bolt
0.4 GBP £0.40 InStock
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Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Bottom Bolt FUN:BIKES Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Bottom Bolt The engine is supported from the main frame with top bracket F-19. Fixings required are F-16 x2 / F-17 lock nuts, F-18 x2 washer and F-20 lock nut. Part number F-16 DB710 / F-16
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Bottom Bolt
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Bottom Bolt
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Bottom Bolt
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket Bottom Bolt
0.4 GBP £0.40 OutOfStock
OUT OF STOCK
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket FUN:BIKES Funbikes Petrol MXR Dirt Bike Engine Frame Bracket The engine is supported from the main frame with top bracket F-19. Fixings required are F-16 x2 / F-17 lock nuts, F-18 x2 washer and F-20 lock nut. Part number F-19 DB710 / F-19
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket
Funbikes Petrol MXR Dirt Bike Engine Frame Bracket
2.4 GBP £2.40 InStock
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Funbikes Petrol MXR Dirt Bike Under Engine Bolt Spring Washer FUN:BIKES Funbikes Petrol MXR Dirt Bike Under Engine Bolt Spring Washer The engine is secured to the bottom frame plate with four bolts F-4, four spring washers F-3 and four washers F-2 Part number F-3 DB710 / F-3
Funbikes Petrol MXR Dirt Bike Under Engine Bolt Spring Washer
Funbikes Petrol MXR Dirt Bike Under Engine Bolt Spring Washer
Funbikes Petrol MXR Dirt Bike Under Engine Bolt Spring Washer
0.18 GBP £0.18 InStock
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Funbikes Petrol MXR Dirt Bike Under Engine Bolt Washer FUN:BIKES Funbikes Petrol MXR Dirt Bike Under Engine Bolt Washer The engine is secured to the bottom frame plate with four bolts F-4, four spring washers F-3 and four washers F-2 Part number F-2 DB710 / F-2
Funbikes Petrol MXR Dirt Bike Under Engine Bolt Washer
Funbikes Petrol MXR Dirt Bike Under Engine Bolt Washer
Funbikes Petrol MXR Dirt Bike Under Engine Bolt Washer
0.14 GBP £0.14 InStock
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Funbikes Petrol MXR Dirt Bike Under Engine Bolt FUN:BIKES Funbikes Petrol MXR Dirt Bike Under Engine Bolt The engine is secured to the bottom frame plate with four bolts F-4, four spring washers F-3 and four washers F-2 Part number F-4 F-4
Funbikes Petrol MXR Dirt Bike Under Engine Bolt
Funbikes Petrol MXR Dirt Bike Under Engine Bolt
0.4 GBP £0.40 InStock
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Funbikes Petrol MXR Dirt Bike Engine FUN:BIKES Funbikes Petrol MXR Dirt Bike Engine Complete replacement engine including: pull start, carburetor, air filter. Gearbox/transfer box is sold separately. Just bolt in. Part number F-1 DB710 / F-1
Funbikes Petrol MXR Dirt Bike Engine
Funbikes Petrol MXR Dirt Bike Engine
Funbikes Petrol MXR Dirt Bike Engine
Funbikes Petrol MXR Dirt Bike Engine
65 GBP £65.00 OutOfStock
OUT OF STOCK
FunBikes Cobra 4S Dirt Bike Engine FUN:BIKES FunBikes Cobra 4S Dirt Bike Engine Complete, single cyclinder, four stroke 50cc engine to fit the Cobra 4S dirt bike post 2014. Includes starter motor, carb etc Part number 2. DB706B-97
FunBikes Cobra 4S Dirt Bike Engine
FunBikes Cobra 4S Dirt Bike Engine
FunBikes Cobra 4S Dirt Bike Engine
FunBikes Cobra 4S Dirt Bike Engine
192 GBP £192.00 OutOfStock
OUT OF STOCK
Mini Moto, Quad, Motard, Dirt Bike 50cc Race Engine Blue FUN:BIKES Mini Moto, Quad, Motard, Dirt Bike 50cc Race Engine (Please note this will not fit Funbikes mini quad) An uprated performance orientated version of the standard 49cc mini moto engine. Featuring multiple upgrades from the standard engine which include full circle balanced crank, which generates higher torque and smoother running, ported high compression cylinder with aggressively vented cylinder head for improved cooling, bigger fuel flow carburettor, and performance air filter. The engine also features a substantial metal pull start, heavy duty clutch housing fitted with 6 tooth pinion and stronger heavy duty clutch. The pull start, clutch housing and air filter have all been colour matched with the cylinder head. The engine revs approx. 3000 rpm higher than a standard engine, right up to 12000 RPM. A standard mini moto engine is approx. 2.5 HP. This one is nearer 4 HP. The biggest increase isn't top speed, though it is slightly faster. The real noticeable difference is low down power and acceleration, which is referred to as torque. So this is a high performance high torque engine. Being a race product we are unable to offer any warranty on this item. The engine will vibrate and you will therefore need to check all fixings for tightness before each use. We also advise as with all mini moto based products that users should have, or know someone with mechanically knowledge as constant maintenance is required. For some mini quads you will have to fit the standard black box air filter as there maybe not enough frame clearance. If you're looking to replace or upgrade your existing mini moto engine, then this is a great purchase for you PCE54908
Mini Moto, Quad, Motard, Dirt Bike 50cc Race Engine Blue
Mini Moto, Quad, Motard, Dirt Bike 50cc Race Engine Blue
Mini Moto, Quad, Motard, Dirt Bike 50cc Race Engine Blue
Mini Moto, Quad, Motard, Dirt Bike 50cc Race Engine Blue
69.9 GBP £69.90 InStock
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