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View Full Version : i need help jetting my trx 450r



450R#72
05-08-2008, 06:50 PM
im going from stock and getting:
1. hrc lid
2. full dasa exhaust
3. uni air filter

what size jets am i going to need?
if you have around the same set-up then maybe you could help me out.
thanks for your help

mc_racer
05-12-2008, 08:41 PM
A good starting point would be 185 on the main, 50 on the pilot, and 2 1/2 turns out on the pilot screw. Maybe also move the needle to the fouth clip.
I have the same setup but with a HMF Ballance system and that setup has worked well for me, but I also changed to the HRC needle.