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Home
ENGINE PARTS
YX 125/140/149 2V
CYLINDER/Etc
CYLINDER/Etc
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Cam chain bolt. Centre wheel. Short or long type with washer
Cam centre wheel bolt and washer short or long type Short type is used in the cast iron cylinders Long type used in alloy cylinders Length worked out from under head to end Specifications: M8 thread 10mm hex …
£4.00
£3.33 ExVAT
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Cam chain bolt. Centre wheel.…
£4.00
£3.33 ExVAT
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Cam chain DID 25H choice of 82 84 86 90 pins
Cam chain DID 25H choice of 82 84 86 90 pins
£19.99
£16.66 ExVAT
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Cam chain DID 25H choice of 82…
£19.99
£16.66 ExVAT
Add to Basket
Cam chain guide. Barrel position
Chain guide wheel middle of barrel Common size for all Honda styled engines YX Lifan Zongshen Specifications: Solid rubber 37mm Diameter 6.5mm Arerture 12.5mm Width
£3.49
£2.91 ExVAT
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Cam chain guide. Barrel position
£3.49
£2.91 ExVAT
Add to Basket
Cam chain. 90 pin. Lifan, Madass 125CC. YX125cc-YX140cc. Lifan 150cc
Chain. Cam. 90 pin. Lifan, Madass 125CC. YX125cc-YX140cc. Lifan 150cc 90 Pins Fits most engines with 32T cam sprockets 25H style chain
£13.99
£11.66 ExVAT
Add to Basket
Cam chain. 90 pin. Lifan,…
£13.99
£11.66 ExVAT
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Chain. Link Cam or starter 25H DID soft link
Chain. Link Cam or starter 25H DID soft link
£5.94
£4.95 ExVAT
Add to Basket
Chain. Link Cam or starter 25H…
£5.94
£4.95 ExVAT
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Conversion kit. YX140cc. Increase your YX125xx short block to 140cc
WILL NOT WORK WITH PRIMARY CLUTCH ENGINES. DO NOT ORDER IF YOU DON'T KNOW WHAT YOU HAVE. Conversion kit. Convert your YX125cc Secondary clutch engine up to a Standard YX140cc Engine. You have everything you need to upgrade your …
£169.99
£141.66 ExVAT
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Conversion kit. YX140cc.…
£169.99
£141.66 ExVAT
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Cylinder dowels. Engines with 7mm studs. 2 in kit
Dowels cylinder engines with 7mm studs x 2 These fit in block to cylinder or from cylinder to head. 8mm O/D 7.2mm I/D 11.8mm length
£1.99
£1.66 ExVAT
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Cylinder dowels. Engines with…
£1.99
£1.66 ExVAT
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Cylinder kit. 56.5mm bore. 2 Valve. Alloy. High comp. YX 140
Cylinder kit Alloy 56.5mm YX 140 High compression Over size .50mm Kit includes: Alloy cylinder 56.5mm Piston kit Pin,Rings, Clips 0..25 Steel head gasket 2 x 0.50mm Base gasket use both 13mm pin
£99.98
£83.32 ExVAT
Cylinder kit. 56.5mm bore. 2…
£99.98
£83.32 ExVAT
Cylinder kit. 56mm bore. 2 Valve. Stock or High comp. YX 140
Alloy cylinder kit for YX140 56mm Kit includes: Cylinder kit alloy 140cc marked Piston kit. Standard or High comp. Pin, Rings, Clips 0.50mm Base gasket
£64.99
£54.16 ExVAT
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Cylinder kit. 56mm bore. 2…
£64.99
£54.16 ExVAT
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Cylinder kit. 57.0mm bore. 2 Valve. Ceramic coated. Big valve heads 27/23mm
Cylinder kit 57mm ceramic coated for use with big valve heads 27/23mm This cylinder kit we can supply you with 13 or 14 mm gudgeon pins high comp piston kits for Jialing, YX, Lifan, Zongshen. With 55.5mm stroke engines you will be at …
£189.98
£158.32 ExVAT
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Cylinder kit. 57.0mm bore. 2…
£189.98
£158.32 ExVAT
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Cylinder rubber pushes into fins to reduce sound
Cylinder rubber pushes into fins to reduce sound
£1.49
£1.24 ExVAT
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Cylinder rubber pushes into…
£1.49
£1.24 ExVAT
Add to Basket
Cylinder studs. 7mm
2 X 215mm (Left) 2 X 205mm (Right)
£10.00
£8.33 ExVAT
Add to Basket
Cylinder studs. 7mm
£10.00
£8.33 ExVAT
Add to Basket
Cylinder to block or head to cylinder bolt M6 10mm hex 22mm long
Cylinder to block or head to cylinder bolt M6 10mm hex 22mm long cross head
£0.54
£0.45 ExVAT
Add to Basket
Cylinder to block or head to…
£0.54
£0.45 ExVAT
Add to Basket
Cylinder. 52.4mm bore or 56mm bore. Alloy. YX 125 or 140
Cylinder 52.4mm or 56mm alloy Steel liner Photo shows 140 cylinder Length without skirt 78.5mm Length with skirt 98.4mm O/D skirt 59.6mm
£44.99
£37.49 ExVAT
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Cylinder. 52.4mm bore or 56mm…
£44.99
£37.49 ExVAT
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Gasket head 3 Valve engine 52.4
Gasket head 3 Valve engine 52.4
£4.99
£4.16 ExVAT
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Gasket head 3 Valve engine 52.4
£4.99
£4.16 ExVAT
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Gasket sealant High temp RTV Kafuter Black or silver 90 gram tube
Gasket sealant High temp RTV Kafuter Black or silver 90 gram tube Ideal for face fitting or with gasket -60 to 250c temp range
£2.99
£2.49 ExVAT
Add to Basket
Gasket sealant High temp RTV…
£2.99
£2.49 ExVAT
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Gasket set. Full set. YX125 or 140/149. complete gaskets set
This listing is for a full gasket set for YX125 or 140/149 long stroke Secondary clutch engines only . Please use the drop down box to choose the option you prefer. PARTS MANUAL that lists all the components in an exploded view which …
£14.99
£12.49 ExVAT
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Gasket set. Full set. YX125 or…
£14.99
£12.49 ExVAT
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Gasket. Base spacer. Alloy. Choice of width. Lifan, Jialing, Zongshen and YX stud pattern
Gasket. Base spacer. Alloy. Choice of width. Lifan, Jialing, Zongshen and YX stud pattern 61.5mm Max skirt size
£11.99
£9.99 ExVAT
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Gasket. Base spacer. Alloy.…
£11.99
£9.99 ExVAT
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Gasket. Base. YX, Lifan, Zongshen, 120cc to 150cc Common fitment
Base gasket for the YX 140 will also fit the Jailing 125 and Lifan 120 125 140 140 Madass 125 Thickness .50mm
£2.50
£2.08 ExVAT
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Gasket. Base. YX, Lifan,…
£2.50
£2.08 ExVAT
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Gasket. head 52.4mm 1mm thick 120 or 125
Head gasket 52.4mm 1mm thick 120 or 125 YX lifan Zongshen stud pattern
£4.99
£4.16 ExVAT
Add to Basket
Gasket. head 52.4mm 1mm thick…
£4.99
£4.16 ExVAT
Add to Basket
Gasket. Head 52.5, 56mm 57mm 0.50 thick Copper YX Lifan stud style
0.50 thick Copper race head gasket YX Lifan stud style For 56mm bores use 56.5mm
£10.00
£8.33 ExVAT
Add to Basket
Gasket. Head 52.5, 56mm 57mm…
£10.00
£8.33 ExVAT
Add to Basket
Gasket. head 56mm steel extra thin .25mm YX 140
New in for the YX engine for engine tuners that want to gain on compression. Check deck height and piston to valve clearnce.
£7.79
£6.49 ExVAT
Add to Basket
Gasket. head 56mm steel extra…
£7.79
£6.49 ExVAT
Add to Basket
Gasket. head 56mm YX 140 1mm thickness
Composite head gasket ROUND oil return type big stud pattern used with YX and some Lifan engines See lifan parts for the oval oil return type
£4.99
£4.16 ExVAT
Add to Basket
Gasket. head 56mm YX 140 1mm thickness
£4.99
£4.16 ExVAT
Add to Basket
Gasket. Head 57mm Steel .30mm thick steel
Gasket. Head 57mm Steel .30mm thick steel Big stud pattern oval oil return Used with the ceramic 141/145cc kits and others.
£7.79
£6.49 ExVAT
Add to Basket
Gasket. Head 57mm Steel .30mm…
£7.79
£6.49 ExVAT
Add to Basket
Gasket. O ring. Square. Cylinder to block 15.5mm
O ring square cylinder to block A = 15.5mm B = 11.75mm C = 2.47mm
£1.50
£1.25 ExVAT
Add to Basket
Gasket. O ring. Square.…
£1.50
£1.25 ExVAT
Add to Basket
Gasket. O ring. Square. Cylinder to head 18.5mm
O ring square cylinder to head 18.5mm A = 18.5mm B = 14.5mm C = 2.47mm
£1.50
£1.25 ExVAT
Add to Basket
Gasket. O ring. Square.…
£1.50
£1.25 ExVAT
Add to Basket
Gaskets top set YX 125 52.4mm or 140 & 149 longstroke 56mm bore
Gaskets top set YX 125 52.4mm or 140 & 149 longstroke 56mm bore Specifications: Top plate Oil cooler take off Cam wheel cover Head gasket 52.4mm = 125cc, 56mm =140cc/150cc Longe stroke Base cylinder gasket Manual…
£11.99
£9.99 ExVAT
Add to Basket
Gaskets top set YX 125 52.4mm…
£11.99
£9.99 ExVAT
Add to Basket
Head gasket 51mm for 3 valve engines 1mm thick
Head gasket 51mm for 3 valve engines 1mm thick
£4.99
£4.16 ExVAT
Add to Basket
Head gasket 51mm for 3 valve…
£4.99
£4.16 ExVAT
Add to Basket
Head gasket. 58mm or 59mm. 0.50
For use with Zongshen/Lifan stud patterns Alloy Choice of 58mm or 59mm bore .50 thickness
£11.99
£10.00
£8.33 ExVAT
Add to Basket
Head gasket. 58mm or 59mm. 0.50
£11.99
£10.00
£8.33 ExVAT
Add to Basket
Head. YX 140/149 RED TAG RACE Gas flowed 19 BHP
Head kit YX 140/150 Stage III RED TAG engine tune up kit 19 bhp Now with TB piston This head fits both YX 140 and YX 149 Full head kit assembled ready to bolt on. What’s in the box? Fully gas flowed head Correct squis…
£297.60
£248.00 ExVAT
Add to Basket
Head. YX 140/149 RED TAG RACE…
£297.60
£248.00 ExVAT
Add to Basket
Manual. Parts list. YX Lifan 140cc
YX140 OOracing parts list This extremely useful 17 page parts catalogue comes complete with exploded diagrams. Making it easier for you to identify parts before ordering.
£5.99
£4.99 ExVAT
Add to Basket
Manual. Parts list. YX Lifan 140cc
£5.99
£4.99 ExVAT
Add to Basket
O ring. Seal. Head gasket oil feed. 6mm or 7mm type studs
This is the oring that sits around the fluted dowel on the lowe oil feed to head Specifications: A = 12mm B = 9mm C = 1.5mm
£1.19
£0.99 ExVAT
Add to Basket
O ring. Seal. Head gasket oil…
£1.19
£0.99 ExVAT
Add to Basket
Oring expander for return oil head to cylinder 15mm x 11mm
Fits inside the return oil passage between head and cylinder
£1.07
£0.89 ExVAT
Add to Basket
Oring expander for return oil…
£1.07
£0.89 ExVAT
Add to Basket
Piston rings. Kit. 52.4mm or 56mm. YX 125 or 140
These rings are for the standard piston will not fit the High comp piston. 125cc = 52.4mm 140cc = 56mm
£8.99
£7.49 ExVAT
Add to Basket
Piston rings. Kit. 52.4mm or…
£8.99
£7.49 ExVAT
Add to Basket
Piston. 52.4mm. 13mm Gudgeon pin. Dish Top. Common to small 24/20 valve 125cc engines
Piston. 52.4mm. Dish Top. Common for many small 24/20 valve 125cc engines. 13mm Gudgeon pin Common piston found in YX, Jailing, Stomp, MonsterMoto 125 engines Specifications: A = 52.4mm B = 38.5mm C = 13.…
£22.50
£18.75 ExVAT
Add to Basket
Piston. 52.4mm. 13mm Gudgeon…
£22.50
£18.75 ExVAT
Add to Basket
Piston. 56mm or 56.5mm. 13mm Gudgeon pin. YX 140 racing Engine
Piston. 56mm or 56.5mm. YX 140 racing Engine. 13mm Gudgeon pin Direct fitment to the stock YX 140 engine Can be used with either stock or high compression head but worth using the high comp head as the sqish is poor on the stock YX …
£47.99
£39.99 ExVAT
Piston. 56mm or 56.5mm. 13mm…
£47.99
£39.99 ExVAT
Piston. 56mm. 13mm Gudgeon pin. Standard. YX 140cc/149cc
Piston. 56mm. Standard. YX 140cc/149cc. 13mm Gudgeon pin Standard fitment in the YX 140cc or 149cc with 59mm stroke engine. Specifications: A = 56mm B = 43mmmm C = 13mm D = 21.5mm E = 20mm F =…
£22.99
£19.16 ExVAT
Add to Basket
Piston. 56mm. 13mm Gudgeon…
£22.99
£19.16 ExVAT
Add to Basket
Piston. 57mm. 13mm or 14mm Gudgeon pin. Slipper style. High compression
Piston. 57mm. High compression. Slipper style. Choice of 13mm or 14mm Gudgeon pin Suitable for heads with 27mm Inlet valve and 23mm Exhaust valve. Specifications: A = 57mm B = 38.4mm C = 13mm or 14mm D = 24…
£44.99
£37.49 ExVAT
Add to Basket
Piston. 57mm. 13mm or 14mm…
£44.99
£37.49 ExVAT
Add to Basket
Piston. Component. Circlip. 13mm
Circlip x 2 for 13mm pin
£1.50
£1.25 ExVAT
Add to Basket
Piston. Component. Circlip. 13mm
£1.50
£1.25 ExVAT
Add to Basket
Service kit. 50 to 150cc. Ace 50cc. YX, Lifan, Jailing and Zongshen
Service kit for ACE 50cc, YX Lifan Jailing Zongshen 50 to 150cc 1ltr Rock oil 10/40 Mineral engine oil C7HSA NGK Spark plug Silicon non resistor plug cap
£19.80
£16.50 ExVAT
Add to Basket
Service kit. 50 to 150cc. Ace…
£19.80
£16.50 ExVAT
Add to Basket
Service kit. Top end. YX 140
YX140 top end service kit Here is our complete top end service kit to freshen up your motor 56mm piston kit stock compression Top set of gaskets set of valve stem seal “not shown in photo” Pair of valves 27/23 Set of va…
£49.00
£40.83 ExVAT
Add to Basket
Service kit. Top end. YX 140
£49.00
£40.83 ExVAT
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Service kit. YX140/150/160/170. 2 Valve or 4 Valve
Service kit for YX140/150/160/170 2 valve and 4 valve engines Engine oil Gamma 20/50 Mineral NGK spark plug Silicon plug cap non resitor type C7HSA = YX 150/160 2 valve engines ER9EH = Yx 150/160/170 4 valve engines …
£19.80
£16.50 ExVAT
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Service kit.…
£19.80
£16.50 ExVAT
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Tuning kit. Stage II. YX140 engines
140 YX Engine tune up kit 13 to 15 bhp This kit will take the standard 140 unit from 13 bhp to 15+ bhp What’s in the kit ? High compression piston kit 56mm 13 pin NBR racing cam kit with 2 bolt sprocket Race valve spring k…
£106.80
£89.00 ExVAT
Tuning kit. Stage II. YX140 engines
£106.80
£89.00 ExVAT
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Master cylinder rear with integral resevoir 40mm mount M8 or 10mm banjo fitting
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Sprocket. Front. 420 pitch. 17mm spline. Off set 7mm or 15mm. 16T
£21.31
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Sprocket. Component. Spacer. Rear. 7mm or 15mm offset. Suitable for Monkey bike
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Stainless 304 exhaust/inlet pipe bends 90 degree Sizes OD from 19mm to 76mm
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CDI. BOLT Easy Start Digital 3 in one 5 6C 6H PIN Built in switchable adjustable rev control or full power
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Stainless 304 exhaust/inlet pipe bends 45 degree Sizes OD from 19mm to 76mm
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Stainless polished 304 tube. Sizes OD from 19mm to 76mm. 1 metre lengths.
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Jet. Main. Mikuni. VM/TM fit. Hex. 90 to 240 in increments of 10
£4.00
£3.33 ExVAT
Jet. Pilot. VM26, Mikuni, Molkt and Dirtmax, 15.0 to 37.5 for VM26 Mikuni & Dirtmax/Molk Carbs. 15.0 to 37.5 in increments of 2.5
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Stack. 50mm fitting 35mm long with foam and gauze option
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Sprocket. Front. 420 pitch. 17mm spline. 10T-18T
£6.98
£5.82 ExVAT
Spark plug. NGK. C6HSA, CR7HSA C7HSA, C8HSA
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£3.38 ExVAT
Inner tube. All common sizes. 8" to 18"
£10.00
£8.33 ExVAT
Sprocket. Rear. 420 or 428 pitch. SDG. 30T to 42T
£26.00
£21.67 ExVAT
Gasket. Exhaust. 33mm O/D. Fits all engines
£1.50
£1.25 ExVAT
Block connectors 2, 3, 4, 6, 9 pin
£0.67
£0.56 ExVAT
CDI. 4 Pin. Easy Start Digital . D/C. Performance Unit. SS3 3 PHASE.
£19.99
£16.66 ExVAT
Manifold. Component. Gasket. Head to manifold. Intake. Choice of 20mm to 28mm
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£0.96 ExVAT
Gen kit. Full ignition system. Race VMR118
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CDI. 5 Pin. Easy Start. Performance unit
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Sprocket. Rear. 420 pitch. 3 bolt. Suitable for monkey. 420 pitch. 23T to 45T
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Exhaust. Complete. Twin. Budget system. Suitable for use with Monkey bikes
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Stand. Bike Fast rise for pit bikes CNC ligh weight alloy
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£41.66
Shocks. Piggy back. Choice of AP285mm, AP305mm. WHITE/GOLD
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Head. Bare. YX 125cc blank. 23mm inlet valve. 20mm exhaust valve
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Mudguard. Fender. Splash guard. Enduro. Universal
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Handlebars. Clamp. Cast alloy. Fits folding bars. Standard replacement
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22mm Shengwei/Keikhinkt! Carb PB style C90 Fuel tap or Non fuel tap
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Tank. Steel. Suitable for Gorilla
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Head lamp brackets classic style flasher mounts
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Sticker set. 25 pieces. 23cm x 26cm. Decal. Decals
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£1.66
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