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: 12:1 JE 3 ring JE piston kit $500 12:1 JE LukesRacing Custom order light weight two-ring piston kit $600 13:1 JE LukesRacing Custom order light weight two-ring piston kit $600
	Quantity:
YZ250f 290cc big bore kit. Bolt on kit for 2001-2008. Total for the 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 $100 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