450r carb mods??

[Bradracer18]

Hi guys........I don't mean to bother you guys over here, but I figured I'd ask a few questions.......Seens how us preddy guys are starting to go to the 450r carb, I was wondering what you guy are doing to this carb as far as modding it?? Does anyone have any tips that will make the carb even better?? I know on our preddy carb, we can cut spring, etc....can you do anything like that on this one??


Thanks a lot guys........I really appriciate it!!!


Brad

[Bradracer18]

Are their any???? Are you guys reading this???? lol...........

[Kilabanshee]

You can put in the new hrc needle. I dont think there is to much moding to the stock carb.

[roughrider01]

Originally posted by Bradracer18
I know on our preddy carb, we can cut spring, etc....can you do anything like that on this one??



The 450r carb doesnt have that spring set-up like the preds and DS650's carb. I havent heard of any simple mods for the carb as of yet.

[Bradracer18]

What does that needle do?? Anything noticable?? Thanks for the info by the way.........

[Bradracer18]

Anyone know what this hrc needle does?? What benifits does it have, if any???


Thanks
Brad

[86atc250r]

No need to modify the carb - leave it alone with the exception of jetting it in to your setup - it is not a CV carb, so there is no spring to cut.

The HRC needle has no benefit if it doesn't work with your setup - the needle affects mixture at part throttle.

The 450R carb is a far better unit than the stock Pred carb & should offer a substantial performance increase.