90/92cc Yamaha "Bolt In" Stroker Engine Kit

90/92cc Yamaha Bolt In Engine Kit   Xtreme coated piston and head

$1250.00 We modify your parts
$1600.00 Bolt In (All new parts)
$1700.00 Installed
Additional charges apply for true 90cc kit. See notes below.

YZ 90/92cc Specifications:
Fits 2001-2008 Yamaha YZ85
  Displacement = 90cc or 92cc

Engine Modifications Required:
Cylinder: OEM Modified cylinder set up for stroker crankshaft. True 90cc kit plated with Apticote 2000 ceramic bore coating.
Head: OEM Modified cylinder set up for stroker crankshaft. Requires 100 octane fuel.
Crankshaft: OEM Crankshaft Stroked, balanced, trued and welded.
Crankcase: Cases must be bored to clear stroker crankshaft.
Blueprint: Installs include: Calculate deck height, squish clearance, trapped volume, port timing and compression ratio and list on your permanent Spec-Sheet.
Optional Xtreme piston and head: (to order tick box and add $100 to your payment)
Add the benefits of an Xtreme coated piston and head.
 
 
All of our engine kits are
built using Wiseco Pistons
  weisco
     
   
    
Benefits:
  • More horsepower
  • More torque
  • Best 90cc YZ mod ATV engine you can buy
  • Completely un-detectable externally
  • Keep riding until your parts arrive

Bolt in Kit includes:

  • OEM Modified Cylinder
  • OEM Modified Head
  • OEM Stroked and balanced crankshaft
  • Piston kit with piston, ring(s), wrist pin, circlips
  • Wrist Pin Bearing
  • Complete top and bottom end gasket and seal kits
  • Short reach spark plug

Kit install requires you to send us:

  • Your complete engine with NO OIL
  • Kick starter and shifter
  • Reed cage
  • Generator

Notes: With installs we modify your parts. Your cylinder will be replated and a new rod kit will be installed on your crankshaft. True 90cc kit is only an additional $120 when we do the install because the cylinder re-plate is included in the price.

This is not a "Drop In" kit. Case modifications are required and final squish and compression checks must be confirmed by the installer.


 
  Order this kit Now!!!! (click here)  

                                                                                                                                                                                                                                                                         
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Madison
Wisconsin, 53716, USA
 
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