*Includes Teardown/Assembly, Flowbench Testing
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*Includes Std. Valve Seat Cutting

*Includes Std. Valve Seat Cutting

*Best when paired with Cyl. Head Mods

Exhaust / Intake Ports and Transfer entries are modified.
Transfer timing and ducts are not altered.
This setup can be modified at a later time for 4mm stroker set up
Produces 60HP with most Pipes, Timing Advance & OEM Head Mod

70HP with most Pipes, Adv. Timing & Proper Domes
All Services done In-House

* Must Provide or Purchase Piston *
* Add $15 for .030" or more cut *
2 strokes include port chamfer and Ex. bridge relief
We try to keep most ATV models in stock
* Price is with a good core required *
* Welding/Boring additional charge *
* Stud, Dowel & PV Removal Extra *
* Big Bores additional charge *
* Stud, Dowel & PV Removal extra *
* Stock Port Match ONLY *
* Additional Charge for ported cylinders *
* Additional Charge for HD Sleeves *

Squish Clearance, Width & Angle modified using MSV Calculator for reference
Pump or Race Fuel
*R&R Guide & Hone to size ONLY*
* Valve Seat Cutting is additional*
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* Seat cost is additional
* Labor price is per seat
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Surface Plate for extreme flatness

Rod Kits Available:
Carrillo
Pro-X
OEM
Vesrah
Hot-Rods
* Price is Engine Out of Frame ONLY*
Complete Teardown & Inspection
Clean & Reassemble
* Plus Parts, Seal, Gaskets & Shop Supplies
Complete Teardown & Inspection
Clean & Reassemble
* Plus Parts, Seal, Gaskets & Shop Supplies
Leak down test performed upon assembly
Head Service / Valve Seat Repair NOT Included
Powervalve Service NOT Included
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Includes Teardown, Carbon Removal, Inspection, Clean & Reassemble
*Valve Seals Additional*
PV Removal, Cleaning & Assembly
130 South Water St. Coshocton OH 43812