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Camshafts and Valves

(471 products)
Cylinder kits Cylinder Heads and Pistons Camshafts and Valves Cylinder Gaskets Cylinder Accessories
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GY6 Hot Cams Malossi Moose Racing Naraku Peugeot Piaggio Polini Prox Standard Parts Yamaha YCF Zongshen
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Standard Parts
Valve Adjuster Screw Pit Bike
Article no.: MB14415/152FMH

Valve Adjuster Screw Pit Bike

1,50 €
In stock
RRP
3,40 €
-56% Discount
Standard Parts
Valve Lock Pit Bike engine YX / Lifan
Article no.: MB14752/152FMH

Valve Lock Pit Bike engine YX / Lifan

3,30 €
In stock
Standard Parts
Adjuster Nut valves Pit Bike
Article no.: MB14416/152FMH

Adjuster Nut valves Pit Bike

1,60 €
In stock
Standard Parts
Intake Valve 76mm - d.30mm Pit Bike / Dirt Bike engine Zongshen 190cc
Article no.: MB8318

Intake Valve 76mm - d.30mm Pit Bike / Dirt Bike engine Zongshen 190cc

6,30 €
In stock
RRP
14,50 €
-57% Discount
Standard Parts
Intake Valve 65,8mm - d.23mm Pit Bike / Dirt Bike Lifan 125cc
Article no.: MB7604

Intake Valve 65,8mm - d.23mm Pit Bike / Dirt Bike Lifan 125cc

4,00 €
In stock
RRP
9,40 €
-57% Discount
Standard Parts
Intake Valve 73mm - d.28mm Pit Bike YX 150cc / 160cc / 172cc
Article no.: MB5211

Intake Valve 73mm - d.28mm Pit Bike YX 150cc / 160cc / 172cc

9,90 €
In stock
Standard Parts
Valve Springs 4 valves Pit Bike YX 150cc / 160cc
Article no.: MB7610

Valve Springs 4 valves Pit Bike YX 150cc / 160cc

4,30 €
In stock
RRP
10,00 €
-57% Discount
Standard Parts
Camshaft OEM quality 4-valve cylinder head (type KLX) Pit Bike YX 150cc / 160cc
Article no.: MB7576

Camshaft OEM quality 4-valve cylinder head (type KLX) Pit Bike YX 150cc / 160cc

27,50 €
In stock
RRP
60,00 €
-54% Discount
Standard Parts
Cam Chain Tensioner Pit Bike YX 150cc / 160cc
Article no.: MB2932

Cam Chain Tensioner Pit Bike YX 150cc / 160cc

11,50 €
In stock
RRP
26,00 €
-56% Discount
Standard Parts
Cam Chain Tensioner Roller 38mm
Article no.: MB7597

Cam Chain Tensioner Roller 38mm

2,30 €
In stock
RRP
5,10 €
-55% Discount
Standard Parts
Cam Chain Tensioner Roller Pit Bike YX 140cc / 149cc
Article no.: MB7596

Cam Chain Tensioner Roller Pit Bike YX 140cc / 149cc

2,80 €
In stock
RRP
6,40 €
-56% Discount
Standard Parts
Valve Rocker Arms Pit Bike YX 4 valves
Article no.: MB7617

Valve Rocker Arms Pit Bike YX 4 valves

8,00 €
In stock
RRP
18,50 €
-57% Discount
Standard Parts
Valve Spring Seats Pit Bike YX 4 valves
Article no.: MB7625

Valve Spring Seats Pit Bike YX 4 valves

2,30 €
In stock
RRP
5,10 €
-55% Discount
Standard Parts
Intake Valve 65,8mm - d.27mm YX / Lifan
Article no.: MB3793

Intake Valve 65,8mm - d.27mm YX / Lifan

9,60 €
In stock
Yamaha
Exhaust Valve Spring Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM2WP-E2114-00

Exhaust Valve Spring Yamaha 50cc 4-stroke 3V

12,00 €
In stock
Yamaha
Timing Chain / Cam Chain Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM5ST-E2190-00

Timing Chain / Cam Chain Yamaha 50cc 4-stroke 3V

36,50 €
In stock
Yamaha
Rocker Arm Exhaust Valve Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM3B3-E2161-03

Rocker Arm Exhaust Valve Yamaha 50cc 4-stroke 3V

68,50 €
In stock
Yamaha
Rocker Arm Intake Valve Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM3B3-E2151-03

Rocker Arm Intake Valve Yamaha 50cc 4-stroke 3V

40,00 €
In stock
Yamaha
Exhaust Valve Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM5ST-E2121-00

Exhaust Valve Yamaha 50cc 4-stroke 3V

29,50 €
In stock
Yamaha
Valve Cotter Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM1HX-12118-00

Valve Cotter Yamaha 50cc 4-stroke 3V

5,00 €
In stock
Yamaha
Cover f. Valve Spring Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM5ST-E2117-00

Cover f. Valve Spring Yamaha 50cc 4-stroke 3V

12,50 €
In stock
Standard Parts
Valve Stem Seal - original Yamaha 50cc 4-stroke 3V
Article no.: MF10.16905

Valve Stem Seal - original Yamaha 50cc 4-stroke 3V

1,90 €
In stock
2,20 €
-14% Discount
Yamaha
Intake Valve Spring Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM2WP-E2113-00

Intake Valve Spring Yamaha 50cc 4-stroke 3V

12,00 €
In stock
Yamaha
Valve Spring Seat Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM5ST-E2116-00

Valve Spring Seat Yamaha 50cc 4-stroke 3V

2,40 €
In stock
Yamaha
Intake Valve Yamaha 50cc 4-stroke 3V
Article no.: OE-YAM5ST-E2111-00

Intake Valve Yamaha 50cc 4-stroke 3V

30,00 €
In stock
30,50 €
-2% Discount
Standard Parts
Exhaust Valve long 69.5mm 50cc China-based scooter / GY6
Article no.: L-SA92365

Exhaust Valve long 69.5mm 50cc China-based scooter / GY6

6,00 €
In stock
Standard Parts
Exhaust Valve short 64mm 50cc China-based scooter / GY6
Article no.: L-SA32562

Exhaust Valve short 64mm 50cc China-based scooter / GY6

5,60 €
In stock
Piaggio
Gasket chain tensioner Piaggio / Vespa
Article no.: OE-PIA847928

Gasket chain tensioner Piaggio / Vespa

1,20 €
In stock
RRP
2,90 €
-59% Discount
Piaggio
Timing Chain Piaggio Vespa GTS / GTV / GT 60 250-300cc
Article no.: OE-PIA82723R

Timing Chain Piaggio Vespa GTS / GTV / GT 60 250-300cc

45,00 €
In stock
Piaggio
Rocker Arm exhaust side Piaggio Vespa GTS / GTV / GT60 / GT 125-300cc
Article no.: OE-PIAB0184845

Rocker Arm exhaust side Piaggio Vespa GTS / GTV / GT60 / GT 125-300cc

300,00 €
In stock
Piaggio
Rocker Arm (intake side) Piaggio Vespa GTS / GTV / GT60 / GT 125-300cc
Article no.: OE-PIAB0184835

Rocker Arm (intake side) Piaggio Vespa GTS / GTV / GT60 / GT 125-300cc

311,00 €
In stock
Standard Parts
Cam Chain Tensioner GY6 125/150cc
Article no.: GY14632

Cam Chain Tensioner GY6 125/150cc

8,00 €
In stock
8,80 €
-9% Discount
GY6
Camshaft holder / rocker arm GY6 50cc 139QMB/QMA
Article no.: OE-GY6BT13854

Camshaft holder / rocker arm GY6 50cc 139QMB/QMA

11,50 €
In stock
12,00 €
-4% Discount
GY6
Cam chain tensioner GY6, 50cc 139QMB/QMA
Article no.: OE-GY6BT40002

Cam chain tensioner GY6, 50cc 139QMB/QMA

9,00 €
In stock
10,50 €
-14% Discount
GY6
GY6 Cam Chain Tensioner / Guide type 139QMB / 139QMA
Article no.: OE-GY6BT13875

GY6 Cam Chain Tensioner / Guide type 139QMB / 139QMA

3,90 €
In stock
GY6
GY6 Cam Chain Guide type 139QMB / 139QMA
Article no.: OE-GY6BT13874

GY6 Cam Chain Guide type 139QMB / 139QMA

5,10 €
In stock
GY6
GY6 Camshaft type 139QMB / 139QMA
Article no.: OE-GY6BT3001

GY6 Camshaft type 139QMB / 139QMA

14,50 €
In stock
15,50 €
-6% Discount
Prox
Valve Stem Seal Prox SX-F / FC 250
Article no.: PROX-35.VS028

Valve Stem Seal Prox SX-F / FC 250

4,40 €
In stock
Prox
Intake Valve Prox titanium YZF 250 2014-2018
Article no.: PROX-09263016

Intake Valve Prox titanium YZF 250 2014-2018

37,50 €
In stock
RRP
88,00 €
-57% Discount
Prox
Intake Valve Set Prox w/ springs YZF 450 2014-2017
Article no.: PROX-09262729

Intake Valve Set Prox w/ springs YZF 450 2014-2017

63,00 €
In stock
RRP
147,00 €
-57% Discount
Prox
Intake Valve Set Prox w/ springs YZF 250 2014-2018
Article no.: PROX-09262728

Intake Valve Set Prox w/ springs YZF 250 2014-2018

124,00 €
In stock
143,00 €
-13% Discount
Sale
Prox
Exhaust Valve Set Prox w/ springs YZF 250 2014-2018
Article no.: PROX-09262724

Exhaust Valve Set Prox w/ springs YZF 250 2014-2018

61,00 €
In stock
RRP
143,00 €
-57% Discount
Prox
Valve Shims x5 Prox 7,48x 3,475 CRF / YZF / KXF / RM-Z 250
Article no.: PROX-09261568

Valve Shims x5 Prox 7,48x 3,475 CRF / YZF / KXF / RM-Z 250

4,00 €
In stock
RRP
9,40 €
-57% Discount
Prox
Valve Shims x5 Prox 7,48x 1,675 CRF / YZF / KXF / RM-Z 250
Article no.: PROX-09261532

Valve Shims x5 Prox 7,48x 1,675 CRF / YZF / KXF / RM-Z 250

4,00 €
In stock
RRP
9,40 €
-57% Discount
Prox
Valve Shims (box) 7,48x1,225-3,475
Article no.: PROX-09261470

Valve Shims (box) 7,48x1,225-3,475

120,00 €
In stock
139,00 €
-14% Discount
Sale
Prox
Intake Valve Set Prox w/ springs KXF / RM-Z 250 2004-2006
Article no.: PROX-09261462

Intake Valve Set Prox w/ springs KXF / RM-Z 250 2004-2006

124,00 €
In stock
137,00 €
-9% Discount
Sale
Prox
Exhaust Valve Set Prox w/ springs KXF 250 before 2016
Article no.: PROX-09261457

Exhaust Valve Set Prox w/ springs KXF 250 before 2016

139,00 €
In stock
143,00 €
-3% Discount
Sale
Prox
Exhaust Valve Set Prox w/ springs SX-F 250 2008-2013
Article no.: PROX-09261436

Exhaust Valve Set Prox w/ springs SX-F 250 2008-2013

124,00 €
In stock
137,00 €
-9% Discount
Sale
Prox
Intake Valve Set Prox w/ springs SX-F 250 2006-2007
Article no.: PROX-09261435

Intake Valve Set Prox w/ springs SX-F 250 2006-2007

61,00 €
In stock
RRP
143,00 €
-57% Discount
Prox
Exhaust Valve Set Prox w/ springs YZF 450 2003-2009
Article no.: PROX-09261025

Exhaust Valve Set Prox w/ springs YZF 450 2003-2009

115,00 €
In stock
126,00 €
-9% Discount
Sale
Prox
Intake Valve Prox titanium SX-F / EXC-F 250 before 2013
Article no.: PROX-09260844

Intake Valve Prox titanium SX-F / EXC-F 250 before 2013

76,00 €
In stock
88,00 €
-14% Discount
Sale
Prox
Exhaust Valve Prox titanium SX-F / EXC-F 250 before 2013
Article no.: PROX-09260843

Exhaust Valve Prox titanium SX-F / EXC-F 250 before 2013

76,00 €
In stock
88,00 €
-14% Discount
Sale
Prox
Intake Valve Prox titanium KXF 250 2009-2016
Article no.: PROX-09260838

Intake Valve Prox titanium KXF 250 2009-2016

37,50 €
In stock
RRP
88,00 €
-57% Discount
Prox
Intake Valve Prox titanium KXF 250 2004-2008
Article no.: PROX-09260837

Intake Valve Prox titanium KXF 250 2004-2008

85,00 €
In stock
88,00 €
-3% Discount
Sale
Prox
Exhaust Valve Prox titanium KXF 250 2004-2016
Article no.: PROX-09260836

Exhaust Valve Prox titanium KXF 250 2004-2016

85,00 €
In stock
88,00 €
-3% Discount
Sale
Prox
Intake Valve Prox titanium CRF 250 2004-2009
Article no.: PROX-09260809

Intake Valve Prox titanium CRF 250 2004-2009

76,00 €
In stock
87,00 €
-13% Discount
Sale
Prox
Exhaust Valve Prox steel CRF 150 R
Article no.: PROX-09260668

Exhaust Valve Prox steel CRF 150 R

24,00 €
In stock
27,00 €
-11% Discount
Sale
Prox
Intake Valve Prox steel YZF 400 / WRF 426
Article no.: PROX-09260153

Intake Valve Prox steel YZF 400 / WRF 426

15,00 €
In stock
17,00 €
-12% Discount
Sale
Prox
Intake Valve Prox steel DR-Z 400
Article no.: PROX-09260151

Intake Valve Prox steel DR-Z 400

16,50 €
In stock
Prox
Exhaust Valve Prox steel DR-Z 400
Article no.: PROX-09260147

Exhaust Valve Prox steel DR-Z 400

18,00 €
In stock
21,00 €
-14% Discount
Sale
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Camshaft and valves

The camshaft and camshaft valves are part of a 4-stroke engine. The camshaft controls the opening and closing of the valves by converting the rotary motion from the engine into a longitudinal motion. The valve is responsible for letting in fresh gas and getting rid of burnt gases.

Generally, the intake valve separates the intake from the combustion chamber and the exhaust valve separates the combustion chamber from the exhaust. We carry camshafts and valves as well as accessories such as timing chains, bearings for 50cc scooters with 4-stroke engines and maxiscooters. Manufacturers like Naraku specialize in the 4-stroke market and offer a wide range of replacement camshafts.

Manufacturers like Malossi also offer tuning / sport camshafts with modified angles to optimize engine performance. The valve systems can be optimized as well, for example, with reinforced springs and valves with improved sealing properties and longer life.

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