Racing Engines

Specializing in the Yamaha YFZ450

As seen on eBay- click here

YFZ450 FULL ENGINE REBUILD:

This base price includes the following:

Tearing down and splitting cases of your YFZ engine.

Inspecting all parts

Cleaning all parts

Checking all bearings

Complete engine gasket set (standard bore only)

Complete engine seal set

New Hotrods crank

New clutch kit

Resurfacing cylinder

Honing cylinder

Resurfacing Head gasket surface

De carbon cylinder head and valve train

Polishing cam journals if needed

Shimming valves

New valve seals

New timing chain

New Piston - Up to 13.5:1 compression ratio

PRICE $899

OPTIONS:

Add new standard bore cylinder kit $220

Add new 478cc cylinder kit $300

Add new +3mm stroker crank, makes 471cc's standard bore or 501cc's with 478 cylinder kit $70

Add new titanium valves $90 each

Add Kibblewhite spring kit $200

Add Kibblewhite steel valves $35 each (must use spring kit)

3 angle valve job $150

Add Hotcams, intake and exhaust pair $260

Add CNC head porting $350

LABOR AND PARTS PRICES SUBJECT TO CHANGE AT ANY TIME.

WARRANTY AND PAYMENT INFORMATION