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ben_400ex
50cc nipper
Joined: 17 Jul 2007
Posts: 21
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 Posted: Tue Jul 17, 2007 11:48 am Post subject: Big bore mx? |
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Hey all
Just wondering can anyone tell me the rules in Australia in regards to quads with aftermarket big bore engines etc racing mx? |
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Sponsor
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noodles
Big Bore, Stroked & Bling +
Joined: 31 Mar 2006
Posts: 331
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| Posted: Tue Jul 17, 2007 4:19 pm Post subject: |
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I believe it's
700cc no more than 2 cyl 4stroke
550cc no more than 2 cyl 2stroke
_________________
say NO! to ball sports |
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Derek R
4fiddy Racer
Joined: 28 Sep 2006
Posts: 200
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| Posted: Tue Jul 17, 2007 5:11 pm Post subject: |
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| Dave wrote: | I believe it's
700cc no more than 2 cyl 4stroke
550cc no more than 2 cyl 2stroke |
Plus an "Allowance" of 5% oversize to accomodate for any rebores that may be required ?????????????????????????????????
So therfore a 700cc 2cyl 4stroke can be upto 735cc
and a 2cyl 2stroke can be upto 577.5 cc
Hope this info is of use to you
Regards
Derek Rumble |
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