Go Back > 2008 - 2012 Ninja 250R > 2008 - 2012 Ninja 250R Tech Talk

Thread Tools
Old May 14th, 2022, 02:08 AM   #1
petrolhead member
Name: Jarno
Location: Finland
Join Date: Aug 2021

Motorcycle(s): 2009 Ninja 250R

Posts: 148
250 camshafts

I'm looking for data on Ninja 250R cams, pretty hard to find. Our bike is 2009 FI.

-Is the inlet cam higher lift/duration than the exhaust? By what amount? I read this somewhere. Apparently they are interchangeable?

-Do earlier generation motors have more lift/degrees? Atleast they make more power. Do they fit on a 2008-12 engine?

-How much can a stock cam be ground before one runs in to issues with valve adjustment (decreasing base circle)?
I have browsed through various topics here but solid numbers are eluding me.

Merge/delete/lock/ban if it's been discussed.


Last futzed with by petrolhead; May 14th, 2022 at 06:19 AM.
petrolhead is offline   Reply With Quote


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Motorcycle Safety Foundation

All times are GMT -7. The time now is 12:21 PM.

Website uptime monitoring
Powered by vBulletin®
Copyright ©2000 - 2023, Jelsoft Enterprises Ltd.
User Alert System provided by Advanced User Tagging (Lite) - vBulletin Mods & Addons Copyright © 2023 DragonByte Technologies Ltd.
Except where otherwise noted, all site contents are Copyright 2022, All rights reserved.