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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.

Home > Spares > Mini Dirt Bikes > Engine > Engines
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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. P6721-V7353 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 P6402-V7037 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 P6401-V7034 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 P6400-V7033 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 P6399-V7032 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 P6398-V7031 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 P6387-V7020 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 P6386-V7019 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 P6385-V7018 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 P6384-V7017 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. P5382-V5950 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 2-Stroke Race Engine Blue FUN:BIKES Mini Moto, Quad, Motard, Dirt Bike 50cc 2-Stroke Race Engine (Please note this only directly fits in the Mini Moto bikes) 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 and the MXR 50, you will have to fit the standard black box air filter as there maybe not be enough frame clearance. If you're looking to replace or upgrade your existing mini moto engine, then this is a great purchase for you P4970-V5479 PCE54908
Mini Moto, Quad, Motard, Dirt Bike 50cc 2-Stroke Race Engine Blue
Mini Moto, Quad, Motard, Dirt Bike 50cc 2-Stroke Race Engine Blue
Mini Moto, Quad, Motard, Dirt Bike 50cc 2-Stroke Race Engine Blue
Mini Moto, Quad, Motard, Dirt Bike 50cc 2-Stroke Race Engine Blue
69.9 GBP £69.90 InStock
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