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Kibblewhite Precision Machining Stainless Piston Conversion Kit (.395" Lift) w/Top End Gasket Set - 80-81200

  • Part #:
    1400682
  • Manufacturer Part #:
    80-81200

MSRP Price: $581.95

Our Price: $500.88

You Save:
$81.07 (14%)
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Overview of Kibblewhite Precision Machining Stainless Piston Conversion Kit (.395" Lift) w/Top End Gasket Set - 80-81200

In order to maximize compression, the valve reliefs in the piston are purposely convex and match the geometry of the dishes in the valves. The conversion to Black Diamond™ Stainless Steel Valves offers up to double the life over stock Titanium valves without a loss in performance.

Kit Includes:
• Piston, Rings, Clips and Pin
• Top End Gasket Kit by Cometic
• KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.
• Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.395” In. and 0.370” Ex. Valve Lift

Note: The piston, rings, valves and pin clips in this kit are designed to work together as a system. They are NOT COMPATIBLE with O.E.M. components and should ONLY be used with the components in this KPMI® Top End Service Kit. 



Included Items:

(1) Piston

(1) Wrist pin

(1) Top ring

(2) Oil rings

(1) Spacer ring

(2) Circlips

(4) Valve seals( assorted sizes)

(1) Base gasket

(1) Engine case gasket

(1) Exhaust gasket

(1) Head gasket

(1) O-ring

(2) Copper washers(assorted sizes)

(2) Intake valves

(2) Exhaust valves

(2) Intake spring set

(2) Exhaust spring set

(2) Intake retainer

(2) Exhaust retainer

(2) Intake basewashers

(2) Exhaust basewashers

Instructions

 

 

Specs for Kibblewhite Precision Machining Stainless Piston Conversion Kit (.395" Lift) w/Top End Gasket Set - 80-81200

Type Top End Kit w/o Cylinder
Units Each
Weight 1.30 lbs

Cross reference number(s):

09031304

Specs for Kibblewhite Precision Machining Stainless Piston Conversion Kit (.395" Lift) w/Top End Gasket Set - 80-81200

Type Top End Kit w/o Cylinder
Units Each
Weight 1.30 lbs

Fitment for Kibblewhite Precision Machining Stainless Piston Conversion Kit (.395" Lift) w/Top End Gasket Set - 80-81200

See if this part fits your ride

Part 1400682 fits the following machines

Yamaha
  • 2016 Yamaha YZ250F
  • 2015 Yamaha YZ250F
  • 2014 Yamaha YZ250F
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Instructions and Manuals for Kibblewhite Precision Machining Stainless Piston Conversion Kit (.395" Lift) w/Top End Gasket Set - 80-81200