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2010 Rotax Rear Bumper Rules 
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Joined: Tue Oct 16, 2007 9:06 pm
Posts: 147
Location: Long Beach
Post 2010 Rotax Rear Bumper Rules
Starting with the first race of 2010 on January 17th, all the Rotax classes at LAKC will be required to have wide rear bumpers (For exact information, see Andy's post below). This is a new Rotax Challenge rule for 2010. The non-Rotax classes at LAKC that are covered by IKF rules willl not be required to run the wide bumpers until the 2011 season.


Last edited by Greg Jackson on Sat Dec 19, 2009 12:03 pm, edited 2 times in total.



Wed Dec 09, 2009 11:09 am
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Joined: Mon Dec 02, 2002 12:14 am
Posts: 125
Location: Fullerton, CA.
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Greg,

Actually, the tubular steel full width bumpers are only legal in Mini and Micro. Jr, Sr, and Masters have to run the plastic CIK style rear bumpers. DD-2 must run the DD-2 roller bumper.

Don Moormeister cleared this up for me today.

Andy


Fri Dec 18, 2009 2:26 pm
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Post ()#PU(_){P$F<VP{)$*()$&
I just brought one of those steel tubular bumpers!!!!!!!!!!!!!!!!!!!!!! It was delivered yesterday!!!!!!!!!!!!!!!!!!!!!! :x


Fri Dec 18, 2009 2:36 pm
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Joined: Sun May 23, 2004 4:08 pm
Posts: 776
Location: newhall, CA
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save a buck spend two. I know a place that can sell you the CORRECT one Steve. I know a few places and they are all in So.Cal not out of state.


Fri Dec 18, 2009 4:01 pm
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Post Per Rmax rules (Jan2009)
Well I should have looked first........Here are the rules right from the Rmax website

Rear Protection -- All classes must have "full coverage" rear protection. Definition of "Full Coverage" inside half of each rear tire must have coverage. Either CIK or "industry standard" rear bumpers are acceptable. Note- For 2010 USRMC will require CIK style rear protection systems. This may influence your purchase at this time.

I guess the steel tubular isn't CIK approved..............................

So Chris, I guess I'll be getting one of the big plastic jobs. Got one in red?

Steve :cry:


Fri Dec 18, 2009 5:39 pm

Joined: Mon Dec 02, 2002 12:14 am
Posts: 125
Location: Fullerton, CA.
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Steve,

No crying, just buying.....

Merry Christmas.

Andy

P.S. To all: Depending on what chassis you have, buying the factory bumper for your brand may make better sense. Case in point: the generic $195 bumper kit takes a lot more work and some fabrication to make work on a birel than simply installing the $260 factory birel kit. $65 is $65, but something that bolts on in 5 minutes without any additional parts or time spent is an easy decision for me. This is the same for CRG, and I bet is a similar story for Arrow, Topkart, TonyKart, etc.


Fri Dec 18, 2009 6:13 pm
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Joined: Tue Oct 16, 2007 9:06 pm
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Location: Long Beach
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Thanks for clearing that up Andy. I have edited my original post just to make sure nobody gets bad information.


Fri Dec 18, 2009 8:50 pm
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Joined: Sun May 23, 2004 4:08 pm
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Location: newhall, CA
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Yes we have experienced the same thing. Not just a bolt on application as one would hope for.


Sun Dec 20, 2009 7:27 am
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Joined: Wed Jul 06, 2005 1:38 pm
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Location: Lakewood,Ca
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Are there any other updated rules Rotaxians need to know about for 2010? Like the clutch & bearing. Air Box (Old vs New Style) Carb Venturi (8.5 vs 12.5) A lot of rumors out there and just need to clarify before January. :D


Mon Dec 21, 2009 11:37 am
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Joined: Mon Dec 02, 2002 12:14 am
Posts: 125
Location: Fullerton, CA.
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Don is working that stuff out this week.

New bearing and o rings are mandatory for 2010, along with the bumpers.

Both venturis are legal, but Rotax called it out a little ambiguously on the first draft of the 2010 rules, so he is getting clarification. Rotax no longer allows the old style airbox at the Euro Challenge, but we (Challenge of the Americas) are going to allow it and let Don make a ruling for the 2010 US Nationals. Both style clutches are now legal for all classes.

Andy


Mon Dec 21, 2009 1:11 pm
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Andy your so mean in a nice way!
peace


Thu Dec 24, 2009 4:52 pm
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