Ditchard the High Maintenance Squirrel
Join Date: Jun 2006
Motorcycle: '06 R1 Raven; '08 Triumph Sprint ST; '09 Triumph 675; '10 Yamaha R6; '13 Aprilia RSV4 APRC; '14 Honda Grom; '15 Panigale 1299S
Re: How much different are AMA racing bikes to there production version?
It depends on the class because they have different rules. The AMA-SS class, which allows the least modifications, has the bikes that are the closest to production bikes. But even they are very different.
It will vary a little by bike/team/etc, but essentially these things will be different even in the class that is closest to a production bike:
Suspension (front and rear)
Chain and sprockets
Electronics (Kit ECUs and aftermarket fuel/air controller)
When you get into DSB, the modifications are opened up a little bit. Then those things will be different ^, plus:
More motor work
More electronics allowed (Traction Control etc)
When you get into AMA SBK, they are very far from a production bike. The items in BOTH of those lists will be different ^^, plus they can/will have different:
Even more motor work
Frame modifications (bracing etc)
I know these bikes are called "race replica's" and people say they are "race bikes with lights". But that isnt 100% accurate. They are dumbed down versions of race bikes that are built/designed with lower costs and comfort being priorities.
The AMA SBK is VERY far from a production bike. That is saying "____ bike is awesome because it won in AMA SBK" is ridiculous.
The R1 is a perfect example. The stock R1 is not a good bike. It is heavy, weak, doesn't change directions, won't hold a line etc. It is the worst Liter bike on the market...by far. But the Graves R1 that Hayes rides is an AWESOME bike. But you couldn't build and maintain Hayes' R1 for under $500k a year.
BTW - it is highly possible that i miss a few things in those lists. I just woke up and all of that is off the top of my head.
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Last edited by TOEJAM; 11-27-2012 at 05:17 AM.