4 Stroke List

Service

Porting

Porting for CRF 50 , CT 70, 110, 150 CLASS

$150 Per Cylinder

Large Bore 250cc

This Includes Intake Matching & Exhaust Header Matching. The Valves Will Be Lapped To The Seats. Includes: Bowl Blending, Exhaust Polishing, & Castings Flaws Removal. We remove only the material that  needs to be removed. The more velocity that is created the more air/fuel mixture that is naturally force into the cylinder. Which means more torque and horse power at the same rpm

service manuals  trx 450

complete bottom and top rebuilds are  $  450  and up

full stroker cranks  available

gasket and cylinder piston sets

v twin head porting

raptor porting

$325 and up

full drag or alky set ups are $450 and up