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8mm shaft 2pc clamp collars are what you need from mcmaster btw

Stripped threads in the manifold to headpipe flange. Also, look out for very early model b pipes. They used to have only 42mm i.d. at manifold/headpipe transition. This caused detonation... (FYI Group k can fix that for 90 bucks+shipping) The newer pipes have a 47mm i.d.

B pipe has a more immediate hit, adds about 300 rpm to a stock motor. This is probably what you're gonna want to have and it's easiest to aquire the parts. Dry pipes from the 2002 era tend to have a more linear torque curve and pull more at the top end of the power band. Water Injection can...

Gonna be a push to paint scenario imo Get it close to straight then a slight amount of bodywork then prime and paint

you would need a dentfix machine for aluminum and/or a way to push that dent out from the other side

This one's unlike the other r&d cylinders I have seen, has no material for powervalves. Resembles a stock cylinder on the exhaust side

Was asked to turn the holes on each side of the hood into scoops, so I came up with this design. Gives it a sinister look and a lifting point for the hood. Still a lot of pin holes to deal with but that was to be expected. 3 coats of slicksand helped but had no chance at filling all of them.

This is mainly for race/wake chasing riders with superjets or sxr800...Does anyone with a/m lowered hoods add 1"+ holes at the front of the hood to increase airflow? similar to the stock sj hood which has 3 holes on the right side. Is this worth it for feeding the carbs more air and keeping...

High end stock stroke, buy an OEM Yamaha crank and have it true and welded

R&d retired and is out of business unfortunately

Uh... Brando6 said he added that 3rd one

I got a tach and I know someone with a relatively stock superjet with the jm waterbox. Gonna see if I can convince him to do a tach run for us

Anyone done any peak rpm testing with the jet maniac water box vs stock box in a superjet?

Thanks I might try that, im sure having a/m fuel pick up helps, the stock tank return fitting is kinda weak and it also sucks to remove the lines from the typical plastic y-return fitting.

This thread rules. I run a very similar set up and my max rpm is nearly the same. Running slightly lower compression for pump gas though.

You can have the carbs off in no time with the long reach ball tipped Allen sockets. Had em off 4 times in one day a week ago. The fuel lines are what kinda sucks about that whole process.

This was awhile back, and by no means am I trying to dig up controversy, but I was very surprised when a prominent person(s) in the community tried vehemently to tell me that a lot of the info in that article was b.s.

Quick update, still working on this and the bodywork is going to be nearly done today. I knocked out about 50% of the pinholes a few weeks back using lightweight glaze. Small amount of epoxy work around the hood latch area and then it will be ready for primer. Using slicksand polyester...

Still offering this service at 159$?

Thanks for the info fellas, awesome group here.