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Yamaha Raptor 350 Piston Kits Standard
Bore & Big Bore Raptor 350 353 357 Piston Kits by Wiseco Pistons
 High performance and racing Yamaha Raptor 350 piston kits are available here. Buy the best Wiseco 350 Raptor Pistons for all model years of these popular ATV's. We offer standard bore and big bore Raptor 350 piston kits.
Every Wiseco 350 Raptor piston is engineered to provide the best installed clearance to produce the most torque and horsepower possible. In addition to power, these pistons are designed to give the least wear and best possible piston ring seal at the engines operating temperature. Wiseco forged Raptor 350 pistons include coated skirts and provide greater strength, endurance and lighter weight compared to stock type pistons. These piston kits include performance piston rings and lightweight piston pins and offer superior quality and are engineered for maximum all around performance and reliability. |
Wiseco Raptor 350 Pistons, Piston Kits, Top End Gasket Kits and Raptor Standard Bore, 353cc, and 357cc Big Bore Piston Kits
These Wiseco Yamaha pistons, gaskets and kits fit the following models:
2005 206 2007 2008 2009 2010 Yamaha Raptor 350
| List of what is included with the different Wiseco part numbers listed below. |
Piston:
- Piston with coated skirts
- Piston Pin
- Piston Rings
- Pin Locks
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Top end " PK " kit:
- Piston with coated skirts
- Piston Pin
- Piston Rings
- Pin Locks
- Top End Gasket Kit
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Gasket kit:
- Complete premium top end gasket set.
- Includes cylinder base gasket, head gasket, o-rings, seals, etc.
- Exact contents vary based on engine
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Common Yamaha 350 Raptor engine specifications
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| Bore Size |
ccs |
Comp |
Installation
Notes |
Piston |
Top End Kit |
Gasket Kit |
| 83mm std. |
349cc |
10.25-1 |
deglaze cylinder |
Wiseco
4419M08300
$150.09 $126.08
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Wiseco PK1018
$197.96 $166.29
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Wiseco W5746
$49.95 $41.96
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| 83.5mm +.5mm big bore |
353cc |
10.25-1 |
bore and replate cylinder |
Wiseco
4419M08350
$150.09 $126.08
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Wiseco PK1019
$197.96 $166.29
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Wiseco W5746
$49.95 $41.96
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| 84mm +1mm big bore |
357cc |
10.25-1 |
bore and replate cylinder |
Wiseco
4419M08400
$150.09 $126.08
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Wiseco PK1020
$197.96 $166.29
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Wiseco W5746
$49.95 $41.96
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* NOTE: CP Pistons have discontinued the below listed pistons. We are keeping this information available on our website for anyone who may need the original specifications or info on the CP Raptor 350 Pistons.
CP Pistons Yamaha Raptor 350 ATV Piston Kits Standard
Bore & Raptor 350 Big Bore Piston
CP Pistons, for those that demand the
ultimate in engine performance!
High performance and racing Yamaha piston kits were available from CP
Pistons for all model years of the Yamaha Raptor 350 four stroke ATV's. Standard bore size
and big bore Raptor 350 CP Pistons Yamaha ATV kits were available. These forged pistons will work with oversize valves as well as high lift camshafts
as they include oversize valve reliefs. They incorporated a "X" style forging for
greater strength, durability and reduced weight.
CP Pistons ATV racing pistons are used by
top professional riders and teams
| Standard Features included with each Yamaha Raptor
350 CP Piston Kit: |
| Double forced pin oilers |
Fully CNC Machined |
| Accumulator groove |
Pick lock removal grooves |
| Anti detonation grooves |
X-style forging |
| Light weight pins |
Balanced to + or - 1 gram |
Each of the below kits
originally included:
Piston
Piston Pin
Piston Rings
Pin Locks
2005 - 2010 Yamaha Raptor 350 Piston Kit and Big
Bore Raptor 350 Pistons
Stock Bore is 83mm (3.268")
Stock Stroke is 64.5mm (2.539") |
| Part # |
Bore Size |
Cubic
Centimeters |
Compression |
Top End Gasket Kit # |
Installation
Notes |
| cp m1012 |
83mm std. |
349cc |
10.5-1 |
cp c7096 |
deglaze cylinder |
| cp m1013 |
83.5mm +0.5mm |
353cc |
10.5-1 |
cp c7096 |
bore and replate cylinder |
| cp m1014 |
84mm +1mm |
357cc |
10.5-1 |
cp c7096 |
bore and replate cylinder |
© Motorsports Parts Corporation T/A Campbell Enterprises. All rights reserved
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