rc51 race prep - a few questions - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 7 (permalink) Old 12-01-2013, 10:10 AM Thread Starter
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rc51 race prep - a few questions

Hey all, if things go according to plan, I will be picking up a crash-damaged 2000 rc51 for a good deal next weekend. I had a 2001 on the street for awhile, and did the typical mods, but this will be a racebike. I recall the excellent stability of my road bike, and the horrible tank range won't be a problem at the track! This is going to be my second race bike, that as funds allow, I am going to develop. I currently race an ex650, so this is not my first time to the dance. And due to the nature of my local race club, the "superbike" and "open" grids are filled with 600s... no 750s even. I don't expect to win, but harrying a few of the backmarkers on an old bus should be fun. What the bike currently has is slip-ons and a PCIII. I already have sponsorship support from Woodcraft, Vortex, Speigler, JRi, and RaceTech, so hopefully all of the above can help with rearsets, gearing, brake lines and pads, and suspension work. I'm not going to go to a full out ohlins front end, and while I love my cartridge kit in my ex650, I'll just get RT to service the forks with some valving and appropriate springs. The real question is the back end. I've been impressed with my JRi shock on my ex, but the Rogue forum has made it pretty clear the only way to go for racing is a Kyle link and ohlins shock. Jri looks a lot like Penske (Tim Godshall worked for them) -- does anyone have any experience/advice about using something other than Ohlins on the rear? The other step is to of course take off as much weight as possible... any other suggestions would be appreciated as well!
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post #2 of 7 (permalink) Old 12-01-2013, 12:38 PM
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Here is another thread that has some weight reduction ideas.

https://www.rc51forums.com/forums/showthread.php?t=15873

2001 SP1 (sold)
2004 SP2 (properly stored)
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post #3 of 7 (permalink) Old 12-01-2013, 01:06 PM
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Any aftermarket rear shock from a reputable manufacturer/builder will be fine.

Be careful pushing it. The SP1 bites hard with a lack of feedback and a sharp line at the limit. I killed my old one that way.

Obviously, Racetech front fork work will do the job very nicely.

I like the armour bodies bodywork. It has won the comparo's and is awesome stuff.

You may want to consider chopping the subframe, since it is a racebike only.

Most importantly, buy lots of fresh sticky race rubber, and enjoy!

Last edited by kwtoxman; 12-01-2013 at 01:09 PM.
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post #4 of 7 (permalink) Old 12-04-2013, 08:23 PM
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Woah sponsors,you must be a fast guy.Yep, what they said, and Ive got a lot of miles on the track but only a few on an sp-2, I do hear the sp-1 are prone to the high side. longer swinger on sp-2.On my sp-2 Penske rear,handled great.No rear link-but I will have. forks down to the second line or it wont turn. Stock forks are not bad.Again sp-1 are a little different. Bike was a serious race effort from Honda.Brakes adequate. Doesn't lift the rear like a 600. A good rider can win on this bike with the minimals. Its a good trackbike
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post #5 of 7 (permalink) Old 12-04-2013, 09:18 PM
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FWIW, from what I remember, forum and Dan Kyle experience says the link makes more of a difference on an sp1, and it more of a difference on light riders. So if you aren't light and on an SP2, save your money.
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post #6 of 7 (permalink) Old 12-04-2013, 09:22 PM
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Originally Posted by kwtoxman View Post
FWIW, from what I remember, forum and Dan Kyle experience says the link makes more of a difference on an sp1, and it more of a difference on light riders. So if you aren't light and on an SP2, save your money.
Correct Kyle - memory serves.

-2001 Honda RC51 sp1 " Slightly Modified "
-2001 Honda 929RR Erion Edition
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post #7 of 7 (permalink) Old 12-04-2013, 10:46 PM
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Gearing you have a lot more torque now, Im sure you are going to start saving negligible weight with a 520 conversion. I like 15/41 for my local summit point
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