standard 120 pitbike class

[paul *1*]

hello can someone please tell me all of the performance parts i am allowed on my thumpstar 120 for it to be legal to race at the semrc rounds. I am 15 years old. Any help would be much appreciated as i am looking to get it all done before wildtrax.
thanks very much
paul;) :)

[kirky]

well if it's a standard class i would imagine the engine will have to be standard!!!!!! you'll probably be able to change jets,pipe,etc but nowt major

[paul *1*]

im not sure if its standard 120. Its to race in the semrc and im 15;) :)

[RUMotarded]

Phoenix's 2006 Rules & Regulations state...

Junior Class
"110-120cc 2-valve Chinese engines, 120cc 3-valve, or 125cc Chinese engine. Max carb size 26mm, must have Phoenix Racing supplied in-line 20mm inlet plate, which must not be modified."

Basically, the Junior class is supposed to run standard (unmodified) bikes.....however, there's not one single "standard" bike in that class. I know of bikes that have been gas flowed, cam, super-head....ect.

I'd suggest calling Phoenix to ensure you are within the regs......it's a shame though, because if you adhere to the rules (which no one is enforcing) you will finish dead last. Hope that helps mate

[Lewis_#101]

Phoenix's 2006 Rules & Regulations state...
bikes.....however, there's not one single "standard" bike in that class. I know of bikes that have been gas flowed, cam, super-head....ect.



Hmm thats a bit harsh as i know most of the bikes are standard fair dos there are some exceptions...


Any way you can have 88cc honda (Crf/XR) or as he stated standard up to 125 chinease

[RUMotarded]

Actually, not harsh at all. The quote I gave is exactly from the rulebook.....the only aftermarket part allowed (according to the regs) is a carb. Exhausts, CDI's, and all the other typical bits are not mentioned....which would make the bikes illegal. Also, I've yet to see a manifold restrictor.

I'm not blaming anyone for cheating.......and those that are only cheat themself. As I said, no one is enforcing the rules anyway......certainly not at scrutineering

[paul *1*]

so what can you get away with legally

26mm carb
exhaust
cam
inner rotor systems
rev boxes

are any of these allowed legally;) :)

[Lewis_#101]

Make that 24mm carb

[Lewis_#101]

Actually, not harsh at all. The quote I gave is exactly from the rulebook.....the only aftermarket part allowed (according to the regs) is a carb. Exhausts, CDI's, and all the other typical bits are not mentioned....which would make the bikes illegal. Also, I've yet to see a manifold restrictor.

I'm not blaming anyone for cheating.......and those that are only cheat themself. As I said, no one is enforcing the rules anyway......certainly not at scrutineering

No i quote you "superheads etc" well cant really see that myself