Yamaha YFM 350 Warrior

Advanced Machining Services Yamaha Warrior performance page. A vast array of OEM and aftermarket parts for your Warrior. 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 Warrior engine rebuilds, crank replacement, transmission repair. Box it up and ship it.

Advanced Machining Services LLC, 23 years engine building.


Warrior cylinder kits
Warrior cylinder kit
  • Bore & Hone cylinder service
  • Wiseco Piston kit
  • Top end gasket set
$219.00

Warrior Big Bore 370 cylinder kit
  • Bore & Hone cylinder service
  • 85mm Piston kit
  • Top end gasket set
  • 10.5 or 12:1 compression
  • 12:1 needs race gas
$309.00

Yamaha Warrior Head Kits

Warrior stock head kit

  • Multi-angle valve job
  • valves cut
  • valve springs checked
  • top end gasket set
  • new valve stem seals
  • valve guides checked
  • gasket surfaces prepped
  • remove/install cam
  • set valve lash
HEAD NOT INCLUDED
$189.00

Yamaha Warrior 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

add $179.00

To split the case (crank & transmission work) includes top end,

add $425.00


Warrior Hi-performance head kit Stage I

  • Stage I porting
  • Kibblewhite Black Diamond valves
  • Stage I Hotcam
  • Kibblewhite spring kit
  • Top end gasket set
  • Multi-angle valve job
  • valve guides checked
  • new valve stem seals
  • remove/install cam
  • set valve lash
  • gasket surfaces prepped
$599.00
HEAD NOT INCLUDED

Warrior Hi-performance head kit Stage II

  • Stage II porting
  • 1mm over Kibblewhite Black Diamond intake valve
  • Stage I Hotcam
  • Kibblewhite spring kit
  • Top end gasket set
  • Multi-angle valve job
  • valve guides checked
  • new valve stem seals
  • remove/install cam
  • set valve lash
  • gasket surfaces prepped
$659.00
HEAD NOT INCLUDED

Yamaha Warrior Top End kits

Warrior stock head kit

  • Multi-angle valve job
  • new valve stem seals
  • valves cut
  • valve springs checked
  • valve guides checked
  • remove/install cam
  • set valve lash
  • gasket surfaces prepped
Warrior cylinder kit
  • Bore & Hone cylinder service
  • Wiseco Piston kit
  • Top end gasket set
HEAD NOT INCLUDED
$379.00

Warrior Hi-performance top end kit Stage I

  • Bore & Hone cylinder service
  • Wiseco Piston kit
  • Stage I porting
  • Kibblewhite Black Diamond valves
  • Stage I Hotcam
  • Kibblewhite spring kit
  • Top end gasket set
  • Multi-angle valve job
  • valve guides checked
  • new valve stem seals
  • remove/install cam
  • set valve lash
  • gasket surfaces prepped
$769.00
HEAD NOT INCLUDED

Warrior Hi-performance top end kit Stage II

  • Bore & Hone cylinder service
  • JE 370 Big Bore piston kit
  • Stage II porting
  • Kibblewhite Black Diamond valves
  • Stage I Hotcam
  • Kibblewhite spring kit
  • Top end gasket set
  • Multi-angle valve job
  • valve guides checked
  • new valve stem seals
  • remove/install cam
  • set valve lash
  • gasket surfaces prepped
$899.00
HEAD NOT INCLUDED

Yamaha Warrior 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

add $179.00

To split the case (crank & transmission work) includes top end,

add $425.00


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.

Advanced Machining Services LLC

5 Main St. Mount Carmel, PA 17851

570-339-5898

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Monday thru Friday 9:00 to 5:30 EST

Saturday 9:00 to 1:00 EST

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