Online store Home page__ Lukes Racing Home Page__ Big Bore Kits Page__

Store Front Account Search Product List Basket Contents Checkout
Sign In

Wiseco Fuel Management Controllers
Big Bore Cylinder Kits
   4 Stroke Big Bore Kits
     Honda 4 stroke big bore kits
     Kawasaki 4 stroke big bore kits
     Polaris 4 stroke big bore kits
     Suzuki 4 Stroke big bore kits
     Triumph big bore kits
     Yamaha 4 Stroke big bore kits
     KTM 4 stroke big bore kit
   2 Stroke Big Bore Kits
Big Bore Piston & Gaskets
Engine rebuild Kits
Piston Kits
HotRods Stroker Cranks
HotRods Crankshafts
HotRods rod kits
Crankshaft Bearings
HotCams Camshafts
Valves and Spring kits
Timing Chains
Top end bearings
Complete engine gaskets
Top End Gasket sets
Honda Replacement cylinders
Kawasaki Replacement cylinders
KTM Replacement cylinders
Suzuki Replacement cylinders
Yamaha Replacement cylinders
4-Stroke Heads
Complete engine seal kits
Clutch - baskets & kits
Intake V-Force reeds etc
Motion Pro cables
Oil filters
Phathead Racing Heads
High Performance Radiators
Suspension bearings & seals
Sale Items

290cc Big bore kit for all years YZ250F. 83mm bore 12:1 or 13:1 compression
  Quantity in Basket: None
Code: BBYZ290FM
Price: $500.00
Shipping Weight: 5.00 pounds
Choose piston:
12:1 JE 3 ring JE piston kit
13:1 Wiseco piston kit (Stroker compatible 310cc)(add $50)
YZ250f 290cc big bore kit. Bolt on kit for 2001-2010. Total for the basic kit: $500.00.

Includes Brand New aluminum nikasil plated 83mm cylinder.
83mm Forged JE piston kit, Cometic big bore top-end gasket set. This cylinder casting looks nearly identical to the stock cylinder casting from the outside, it even has 249cm3 cast into it. This is not a yamaha overbored cylinder, it is a Brand new Custom made Big bore cylinder. This is a bolt in kit, no case mods or any other mods needed to install.

Also available with a lightweight two ring design piston for an additional $50

Free UPS ground shipping in USA.
We will give $35.00 off if you send us your old cylinder.

$50 off when you order any two 4 stroke big bore kits - when ordering online their is no option for the discount, but we will deduct the $50 from your order before processing

Create an account to checkout with Credit card or paypal. Click the Pay with Amazon button for faster checkout.