wayfastwilly
Member
- Dec 29, 2005
- 45
- 0
i have a 2001 yz 125 with a 139 top end, great running bike. we need more power but cant afford the $2000 to stroke it. We want a yz 250 but also cant afford to swap bikes right now, plus we have just put motopro sus. on the bike and dailed it in. What I want to know is can i put a 250 engine in my 125 chassis, I can come up with an engine and pipe so it would be cheaper than swapping bikes. Thank for anny info. Willy :)