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Home
ENGINE PARTS
YX 125/140/149 2V
TOP END
TOP END
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Head plate. Cam cover. Big stud pattern 7mm. YX125-149, Lifan 125-150
Zongshen Lifan YX fitment Big stud pattern 7mm This is the larger stud pattern not for engine under 125cc Will not fit the C50/70/90 110 engines Specifications read as follows: 51.5mm centers from bottom left to top left …
£4.00
£3.33 ExVAT
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Head plate. Cam cover. Big…
£4.00
£3.33 ExVAT
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Head plate. CNC Blue. Big stud pattern 7mm. YX125-149, Lifan 125-150
Head plate CNC blue big stud type Not very well anodized blue slight marks Will not work with 110cc and C90 Specifications read as follows: 51.5mm centers from bottom left to top left 48.5mm centers from bottom rig…
£8.99
£7.49 ExVAT
Add to Basket
Head plate. CNC Blue. Big stud…
£8.99
£7.49 ExVAT
Add to Basket
Head plate. Lifan120cc-150cc, YX125cc-149cc, CNC. Alloy. 7mm studs
Head plate Lifan YX 125 to 150 CNC alloy silver Specifications read as follows: 51.5mm centers from bottom left to top left 48.5mm centers from bottom right to top right 50.5mm centersBottom left to bottom right …
£11.99
£9.99 ExVAT
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Head plate. Lifan120cc-150cc,…
£11.99
£9.99 ExVAT
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Head. Bare. YX 125cc blank. 23mm inlet valve. 20mm exhaust valve
This is a listing for a cylinder head blank. Suitable for 125cc YX or Jailing engines. Allows for a 23mm inlet valve and 20/21mm exhaust valve (not supplies) Use with YX or Jailing engines with 32T cam sprockets The head comes with…
£40.00
£24.00
£20.00 ExVAT
Add to Basket
Head. Bare. YX 125cc blank.…
£40.00
£24.00
£20.00 ExVAT
Add to Basket
Head. kit YX140 High compression with correct squish band for high comp pistons
We only have the screw cap valve cover type at the moment Head kit YX140 High compression with correct squish band for high comp pistons This is our stock head up grade for the YX140 to correct the lack of squish band on the stock YX140…
£118.80
£99.00 ExVAT
Add to Basket
Head. kit YX140 High…
£118.80
£99.00 ExVAT
Add to Basket
Head. Kit. YX 140 stomp and dirt max big valve standard
Head Kit YX 140 stomp and dirt max big valve standard Complete head with the following Big valve head 27mm inlet Valve 23mm exhaust Valve Cam. Stock. 3 bolt type Valves springs and caps Rockers 7mm Stud pattern …
£89.99
£77.99
£64.99 ExVAT
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Head. Kit. YX 140 stomp and…
£89.99
£77.99
£64.99 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
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Head. YX 140/149 RED TAG RACE…
£297.60
£248.00 ExVAT
Add to Basket
Head. YX125cc. Standard or Yellow Tag. Complete head ready to bolt on
Head stock YX125 complete bolt on Brand new head with the below parts fitted 125cc head YX 24mm Inlet valve 21mm Exhaust valve Valve Guides Valve caps (internal not valve covers) Valve Shim Valve springs (uprated to 40p…
£89.99
£76.80
£64.00 ExVAT
Add to Basket
Head. YX125cc. Standard or…
£89.99
£76.80
£64.00 ExVAT
Add to Basket
Head. YX140 BLANK High compression with correct squish band for high comp pistons
Head YX140 BLANK High compression with correct squish band for high comp pistons This is our stock head up grade for the YX140 to correct the lack of squish band on the stock YX140 heads. Please note this head will not work with the stand…
£70.00
£58.33 ExVAT
Add to Basket
Head. YX140 BLANK High…
£70.00
£58.33 ExVAT
Add to Basket
Head. YX140/149 BLUE TAG RACE
£134.99
£112.49 ExVAT
Add to Basket
Head. YX140/149 BLUE TAG RACE
£134.99
£112.49 ExVAT
Add to Basket
Head. YX140/149 RED TAG RACE 19 BHP HIGH COMP OR STANDARD SQUISH BAND
Head kit YX 140/149cc We have both types of valve cover heads in stock ready for dispatch. Here’s what's in the deal Fully gas flowed head. Red TAG R11 Race valve springs. 40psi 27mm and 23mm Valves. NBR Race Cam Ro…
£209.89
£174.91 ExVAT
Add to Basket
Head. YX140/149 RED TAG RACE…
£209.89
£174.91 ExVAT
Add to Basket
Manifold. Component. Heat spacer. 22-24mm or 26-28mm
Heat spacer. 22-24mm or 26-28mm This type is for between the head and manifold 22-24mm option (choose 22 in drop down list) 1 x gasket/oring 22-24mm 1 x heat spacer approx 5mm thick 26-28mm option (choose 26 in drop down…
£2.99
£2.49 ExVAT
Add to Basket
Manifold. Component. Heat…
£2.99
£2.49 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
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Manual. Parts list. YX Lifan 140cc
£5.99
£4.99 ExVAT
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Nut and washer kit 6mm Exhaust
Exhaust nut and washer kit 6mm steel for all down pipes Steel
£1.00
£0.83 ExVAT
Add to Basket
Nut and washer kit 6mm Exhaust
£1.00
£0.83 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
Oil cooler bypass plate for wider bolt holes WF
Oil cooler bypass plate for wider bolt holes WF 2 M6 bolt holes are 70mm hole centres Wont fit standard heads
£5.59
£4.66 ExVAT
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Oil cooler bypass plate for…
£5.59
£4.66 ExVAT
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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
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Piston. 57mm. 13mm or 14mm…
£44.99
£37.49 ExVAT
Add to Basket
Rocker arms YX 150/160/176 Z155 HO 2 Valve
Replacement rockers for 150cc and 160cc 2 valve engines Price for 2 rockers Hardened steel plated foot For 2V heads only YX type
£13.99
£11.66 ExVAT
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Rocker arms YX 150/160/176…
£13.99
£11.66 ExVAT
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Rocker arms. Fits 50CC-149CC YX, Lifan or Honda and Z125
These Rockers are a standard replacement and will fit the range of engines with Honda compatible heads. All steel construction with a hardened steel foot Price per pair PLEASE NOTE: This is NOT suitable for 2 valve…
£13.99
£11.66 ExVAT
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Rocker arms. Fits 50CC-149CC…
£13.99
£11.66 ExVAT
Add to Basket
Rocker kit. Suitable for YX, Lifan, Z125 HO, 2 valve engines with Honda style heads
Rocker kit. Suitable for YX, Lifan, 2 valve engines with Honda style heads 2 x Rockers 2 x Rocker shafts J type rockers
£17.99
£14.99 ExVAT
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Rocker kit. Suitable for YX,…
£17.99
£14.99 ExVAT
Add to Basket
Rocker shafts. Suitable for range of engines. Honda compatible heads YX, Lifan, Jailing
Rocker shafts x 2 Fits the C50-C90 heads Lifan 120-150cc Heads YX125-140cc Heads Specifications: 9.9mm O/D 38.3mm long
£4.99
£4.16 ExVAT
Add to Basket
Rocker shafts. Suitable for…
£4.99
£4.16 ExVAT
Add to Basket
Seals valve stem
Seals valve stem 5mm for all Honda compatible engines. Sold as pairs
£2.99
£2.49 ExVAT
Add to Basket
Seals valve stem
£2.99
£2.49 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
Add to Basket
Shim. EXTRA VALVE SPRING PRELOAD 16.5mm x 22.8mm x 0.9 or 1.90mm. Base of valve spring.
Shim. EXTRA VALVE SPRING PRELOAD 16.5mm x 22.8mm x 0.90 or 1.90mm. Base of valve spring. Price for 2 shims Stock thickness is 0.90 ours are 1.90 Ideal for Honda style 2 valve horizontal engines Specifications: 1.90mm thic…
£4.78
£3.98 ExVAT
Add to Basket
Shim. EXTRA VALVE SPRING…
£4.78
£3.98 ExVAT
Add to Basket
Spark plug. NGK. C6HSA, CR7HSA C7HSA, C8HSA
Common fit for KSR/KLX and Honda 2 valve Heads NGK fits 49/86/90/110/120/125/140/150/160/170 C6HS-A Hot C7HS-A Mid This is the standard type C8HS-A Cool 10mm thread. 1.25 pitch
£4.06
£3.38 ExVAT
Add to Basket
Spark plug. NGK. C6HSA, CR7HSA…
£4.06
£3.38 ExVAT
Add to Basket
Spark plug. NGK. Iridium. Racing CR7HIX
…
£19.99
£16.66 ExVAT
Add to Basket
Spark plug. NGK. Iridium.…
£19.99
£16.66 ExVAT
Add to Basket
Spring. Valve kit. Z40 & NBR Performance race kit. 40PSI at full cam lift
Spring. Valve. Performance race kit. 40PSI at full cam lift. New option 2mm shim kit to improve pre load Compatible with Honda YX140 Lifan based heads. For use with performance cams with 7mm or under extra valve lift. Springs ar…
£19.99
£16.66 ExVAT
Add to Basket
Spring. Valve kit. Z40 &…
£19.99
£16.66 ExVAT
Add to Basket
Tappet adjusters nut and screw
Tappet adjusters nut and screw Price is for a pair of adjustors
£4.99
£4.16 ExVAT
Add to Basket
Tappet adjusters nut and screw
£4.99
£4.16 ExVAT
Add to Basket
Timing chain full overhaul kit. 32T cam sprocket 2 or 3 bolt
Timing chain full overhaul kit. 32T cam sprocket 2 or 3 bolt Complete kit for common engine YX Lifan Zongshen that run 32T 16T drive sprockets 1 Cam chain 25H 90 pins 1 Cam sprocket choice “2 bolt Z40 or 3 bolt 8mm hole stock” …
£22.75
£18.96 ExVAT
Add to Basket
Timing chain full overhaul…
£22.75
£18.96 ExVAT
Add to Basket
Tune up kit for YX140/160cc huge improvement over the Molkt stock carb
Tune up kit for YX140/160cc huge improvement over the Molkt stock carb Carb 26mm PE style Perfect for tuned 125cc to 170cc engines Custom made needle reduces fuel passing under decell that causes a misfire on re opening of the thr…
£94.99
£79.16 ExVAT
Add to Basket
Tune up kit for YX140/160cc…
£94.99
£79.16 ExVAT
Add to Basket
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…
£144.00
£120.00 ExVAT
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Tuning kit. Stage II. YX140 engines
£144.00
£120.00 ExVAT
Add to Basket
Valve caps screw in 30mm CNC
NIce finish screw in valve caps with Oring seals 30mm thread Lifan YX Honda style 22mm Hex size Price per pair
£9.98
£8.32 ExVAT
Add to Basket
Valve caps screw in 30mm CNC
£9.98
£8.32 ExVAT
Add to Basket
Valve caps. TOP. 5mm valve stems
Pair of new top caps will fit the range of chinese engines Will not work with the 4 valve engines. Price x 2 caps O/D head 20.5mm
£5.99
£4.99 ExVAT
Add to Basket
Valve caps. TOP. 5mm valve stems
£5.99
£4.99 ExVAT
Add to Basket
Valve Collets. 2 Valve. Fit the range of Honda style heads including YX and Lifan. 5.0mm stem fitment
Collets. Valve. Fit the range of Honda style heads including YX and Lifan. 5.0mm stem fitment Set of 4 collets per order. Dimensions: 8.3mm Outside diameter. 5.5mm Height Steel construction precision ground. No…
£2.99
£2.49 ExVAT
Add to Basket
Valve Collets. 2 Valve. Fit…
£2.99
£2.49 ExVAT
Add to Basket
Valve Grinding Paste
Chemico Valve Grinding Paste Double Ended has been popular for many years with both auto enthusiasts and repair workshops, providing a handy supply of a coarse grinding paste to cut and fine grinding paste to finish. Chemico Valve Grinding…
£8.20
£6.83 ExVAT
Add to Basket
Valve Grinding Paste
£8.20
£6.83 ExVAT
Add to Basket
Valve guides. YX, lifan and others with 5mm valve stem
Valve guides for YX lifan and others with 5mm valve stems These are very hard to find valve guides 5mm Finished size Sold as pair of 1 inlet and 1 exhaust guide 1 x inlet short 30mm 10mm 1 x Exhaust long 32.4mm x 10mm
£10.00
£8.33 ExVAT
Add to Basket
Valve guides. YX, lifan and…
£10.00
£8.33 ExVAT
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Valve springs assorted from stock engines E22 and YX 125 to 140’s 4 sets
Valve springs assorted from stock engines E22 and YX 125 to 140’s 4 sets Won’t fit YX160 or Z155’s They have slight different length and poundage, ideal for project engine tuners. Yes set of 4 for this price, we have so many!…
£6.40
£5.33 ExVAT
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Valve springs assorted from…
£6.40
£5.33 ExVAT
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Valve. Caps titanium race use only, 5 Grams each
Valve. Caps titanium race use only, 5 Grams each Price per pair For use with 2 valve engine with 5mm valve stems No more that 40 psi springs Reduces the reciprocating weight Need checking every 2 hours running and replacin…
£24.48
£20.40 ExVAT
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Valve. Caps titanium race use…
£24.48
£20.40 ExVAT
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Valve. cover Lifan & YX 2 bolt type
Fits the Lifan and YX140/150 Price per cover Specifications: 50mm fixing centres This is not supplied with the o-ring. You can re-use existing one if in a servicable condition or purchase them anew. …
£1.99
£1.66 ExVAT
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Valve. cover Lifan & YX 2 bolt type
£1.99
£1.66 ExVAT
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Valve. Cover. Breather. 30mm CNC. 8mm stub. Suitable for use with Honda style heads
Cover. Valve. Breather. CNC. 8mm stub. Suitable for use with Honda style heads Valve cap with breather Honda style screw in type CNC alloy. 30mm thread 8mm push fit hose Vent size 5.5mm
£10.00
£8.33 ExVAT
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Valve. Cover. Breather. 30mm…
£10.00
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Valve. Cover. Breather. Tappet cover. CNC. 8mm stub. Lifan/YX
Lifan/YX tappet cover wit 8mm breather CNC Madass 125 Specifications: 50mm Centres fixing CNC alloy construction
£14.99
£12.49 ExVAT
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Valve. Cover. Breather. Tappet…
£14.99
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Valve. Cover. Breather. Tappet cover. Honda screw in style
Breather tappet cover Honda screw in style We have made these so you can drill out the end to the size of vent reqired. 13mm Hose/filter fitting 30mm thread diameter They are blanked off as standard so you can run it j…
£8.99
£4.79
£3.99 ExVAT
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Valve. Cover. Breather. Tappet…
£8.99
£4.79
£3.99 ExVAT
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Valve. Cover. O ring
Valve cover orings x 2 Fits both screw in caps and bolt on tappet covers
£1.50
£1.25 ExVAT
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Valve. Cover. O ring
£1.50
£1.25 ExVAT
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Valve. covers Black screw in type standard 30mm with O rings
Valve covers Black screw in type standard 30mm with O rings Slight marks in paint Price per pair
£7.00
£5.83 ExVAT
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Valve. covers Black screw in…
£7.00
£5.83 ExVAT
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Valve. covers screw in type standard 30mm with O rings
Valve covers screw in type standard 30mm with O rings Price for pair
£5.99
£4.99 ExVAT
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Valve. covers screw in type…
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Valve. Exhaust. 23mm
Standard valve to fit Zongshen, Lifan or YX 140 motors Specifications: A = 23mm B = 65mm Valve grinding paste Valve removal kit We are researching a suitable tool to hold the valves for grinding…
£5.99
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Valve. Exhaust. 23mm
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Valve. Inlet. 2 valve engines. 27mm
Valve. Inlet. 2 valve engines. 27mm Standard valves to fit zongshen Lifan YX140 motors in let 27mm Specifications: A = 27mm B = 65mm Valve grinding paste Valve removal kit We are researching…
£5.99
£4.99 ExVAT
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Valve. Inlet. 2 valve engines. 27mm
£5.99
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Cam sprocket. 32T or 34T V.V.T-35. YX150, YX160, YX170, Z155. 2V and 4V. Adjustable valve timing
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