Yamaha Raptor 250
Advanced Machining Services Yamaha Raptor 250 performance page. A vast array of OEM and aftermarket parts for your Raptor 250. Head kits, Cylinder kits, Engine kits, seats and guides replaced, cams, valves and spring kits, multi angle valve jobs, oversized valves installed, porting, big bore head mods., cylinder boring/honing, big bore kits. Advanced Machining Services, Yamaha Raptor 250 engine rebuilds, crank rebuilds, transmission repair. Box it up and ship it.
Call for updated prices and quote.
Raptor 250 Cylinder Kits
Raptor 250 Cylinder Kit
- Clean & Hone cylinder
- Lap head gasket surface
- Wiseco Piston kit
- Top end gasket set
- Set ring end gap
- 11:1 high compression piston
- CYLINDER NOT INCLUDED
Raptor 250 Big BORe Kit
- Clean cylinder
- Bore to 76 mm
- Replate cylinder
- Lap head gasket surface
- JE Piston kit
- Set ring end gap
- Top end gasket set
- 10.5:1 or 12:1 compression piston
- CYLINDER NOT INCLUDED
Raptor 250 Big Bore 270 Kit
- Clean cylinder
- Bore to 77 mm
- Replate cylinder
- Lap head gasket surface
- CP Piston kit
- Top end gasket set
- Set ring end gap
- 11:1 or 12.5:1 compression
- CYLINDER NOT INCLUDED
Raptor 250 motor jobs
Don’t want to dig into the motor, no problem, box it up and ship it.
We’ll do the top end (head & cylinder) set valve lash, cam timing, install new piston kit
To split the case (crank & transmission work) includes top end
Call for updated quote.
Raptor 250 Valve Job Kits
RAPTOR 250 STOCK VALVE JOB KIT
Call for quote
SERVICES INCLUDE
- Disassembly and Assembly
- Clean
- Cut seats multi-angle
- Cut your stock valves
- Check guides and springs
- Lap head gasket surface
- New valve stem seals
- Cam removed and reinstalled
- Valve lash set
If we find problems with the valves, guides, or any other items during the disassembly/inspection, we will contact you with a corrective course of action.
Add 2 Stainless steel valves to the kit call for a price.
RAPTOR 250 HIGH PERFORMANCE STAGE 1 VALVE JOB/HEAD KIT Call for quote.
This kit includes the above kit with the stainless steel valves and we are adding to it.
- Stage 1.5 porting
- Intake matching
RAPTOR 250 HIGH PERFORMANCE STAGE 2 VALVE JOB/HEAD KIT Call for quote.
And as before this kit includes the above kit with the stainless steel valves plus:
- Stage 2 porting
- Intake matching
- Hotcam stage 1, 2, or 3 your choice
Raptor 250 motor jobs
Don’t want to dig into the motor, no problem, box it up and ship it. We’ll do the top end (head & cylinder) set valve lash, cam timing, install new piston kit. Call for quote.
To split the case (crank & transmission work) includes top end. Call for price
Listed above is a selection of our more popular kits. You may have some of these parts, or, have some of this work done. We can custom tailor a kit to your specific needs. Give us a call for an estimate, and, Thanks for stopping by…hope to hear from you soon.
