new tires.... bike goes down!! DOH!

[DragonG]

Originally Posted by Ziggy999

http://videos.streetfire.net/recentv...790122fe6d.htm

Ouch !!! The rider is one's of the Suzuki Endurance Racing Team who won Le Mans 24H.
Shit happens

[TLS_Addict]

So it doesnt help to weave back and forth at all? You would think that the road friction would help heat the tires because of the contact with the road. How does it differ from giving it the gas and then using the brakes? Other than using the side of the tire rather than using the center it shouldnt do much different as it is contact with the road. Now I will attest to new tires being slippery and unstable.

[Mr. DOBALINA]

Roadracing World magazine did an in depth article on that weaving to heat tires up urban legend a few years ago. Basically they used temp sensors on the tires to see how much heat was generated by weaving as opposed to just going straight & accelerating normally & also by accelerating & decelerating. The weaving did just as much heat build up as just accelerating. No more at all. People see cars doing this weaving stuff on race tracks so they just assume that doing it on a motorcycle does the same thing. Wrong. Accelerating & decelerating helps build up heat more than just plain accelerating & combined with going through turns normally that is the best method to get those tires up to temperature.

Jake is right about getting a new set of tires mounted on the track & being able to just warm them up normally & then going up to your usual speed. It is amazing how much B.S. there is out there regarding tires & what you can & can't do with them. At a WERA race last season a rider came up to the hot pit entrance & demanded to go out & do a warm up lap with the bikes I just let out on the race track so he could scuff his tires before his upcoming race. No, the 3 minute board was just going up & he was not taking his GSXR1000 out on a track with a bunch of 250cc 2-strokes who were already on course & about halfway through completing their warm up lap & then be gridded up for their race. The guy starts yelling at me calling me a friggin' stupid a-hole that needs to learn about racing & get a life & get out of his way. No. The guy tells me if he crashes on his new tires it will be my fault & I am making things dangerous out on the racetrack unnecessarily. No (yeah right buddy). He then ends up telling me I will pay the damages to his bike when he crashes during his race & he will make sure he collects it. As he says this he rolls his bike up between my outstretched legs in an effort to try to intimidate me. No (you have got to be kidding me - like to see you try pulling that one off!).

At this point I make the radio call for back up as we need to get this friggin' moron off the hot pit lane so I can hop over the hot pit wall & help grid up riders. Given the jerks refusal to accept a firm "No" several times I am pretty damn sure the guy is going to try to sneak out on the track if I leave the hot pit entrance unguarded. That means all those riders who just got their tires warm will have to wait til' we chase the joker off the track & by that time their tires will be cooled off. That's just not going to happen. Unbelievable. After the race day I talked to the tire vendor who sold the dork the tires (yeah, we keep notes on racers that act like morons) & the vendor claimed the rider was arguing with him as well telling him what he needs to do with his tires despite several reassurances by the tire manufacturer's track side race support professional telling him he was wrong & not to worry.

OMFG.

[wsmc831]

Originally Posted by Mr. DOBALINA

Roadracing World magazine did an in depth article on that weaving to heat tires up urban legend a few years ago. Basically they used temp sensors on the tires to see how much heat was generated by weaving as opposed to just going straight & accelerating normally & also by accelerating & decelerating. The weaving did just as much heat build up as just accelerating. No more at all. People see cars doing this weaving stuff on race tracks so they just assume that doing it on a motorcycle does the same thing. Wrong. Accelerating & decelerating helps build up heat more than just plain accelerating & combined with going through turns normally that is the best method to get those tires up to temperature.

Jake is right about getting a new set of tires mounted on the track & being able to just warm them up normally & then going up to your usual speed. It is amazing how much B.S. there is out there regarding tires & what you can & can't do with them. At a WERA race last season a rider came up to the hot pit entrance & demanded to go out & do a warm up lap with the bikes I just let out on the race track so he could scuff his tires before his upcoming race. No, the 3 minute board was just going up & he was not taking his GSXR1000 out on a track with a bunch of 250cc 2-strokes who were already on course & about halfway through completing their warm up lap & then be gridded up for their race. The guy starts yelling at me calling me a friggin' stupid a-hole that needs to learn about racing & get a life & get out of his way. No. The guy tells me if he crashes on his new tires it will be my fault & I am making things dangerous out on the racetrack unnecessarily. No (yeah right buddy). He then ends up telling me I will pay the damages to his bike when he crashes during his race & he will make sure he collects it. As he says this he rolls his bike up between my outstretched legs in an effort to try to intimidate me. No (you have got to be kidding me - like to see you try pulling that one off!).

At this point I make the radio call for back up as we need to get this friggin' moron off the hot pit lane so I can hop over the hot pit wall & help grid up riders. Given the jerks refusal to accept a firm "No" several times I am pretty damn sure the guy is going to try to sneak out on the track if I leave the hot pit entrance unguarded. That means all those riders who just got their tires warm will have to wait til' we chase the joker off the track & by that time their tires will be cooled off. That's just not going to happen. Unbelievable. After the race day I talked to the tire vendor who sold the dork the tires (yeah, we keep notes on racers that act like morons) & the vendor claimed the rider was arguing with him as well telling him what he needs to do with his tires despite several reassurances by the tire manufacturer's track side race support professional telling him he was wrong & not to worry.

OMFG.

+1. Been a long time since I was in a race, and certainly wasn't any top contender...but I didn't even bother removing the stickers. One warm up lap then GO! I think people get freaked out because of the smooth surface and think they still use mold release agent...then do something they normally wouldn't because they think the tires are slick....

[NineDV]

could some one tell me what they do use on the surface of the tires if they arent using a release agent anymore? That stuff is still slick. I know even with my PP's i just put on pulling out of the driveway the first 40 foot of use, i got wheelspin and a sideways slip... i normally do the "roundabout" method of scrubbing them in till i get all the edges cleaned off...

[wsmc831]

they aren't slick, the surface of the tire is just smooth. if you are getting slip and wheelspin on new tires, you are doing something wrong.

From 'tireexpert' on sportbike forum. sums it up nicely.

Q. Mold Release - Do any manufacturers of MC tires use this, and is this why a tire need to be 'scrubbed in?

A. There is NO manufacturer that uses mold release on the tread area of the tire. Approximately 70% of any tread compound is oil. During the curing process, oil rises thru the compound and forms a natural release agent against the metal mold. After curing several tires the molds "Seasons" from the oil and look like grannys "Cast Iron Skillet".

The surface of any tire has to be mechanically abraided to get to the rubber compound used for traction... removing the oil that has risen during the curing process. Anyone that has seen tires from the race track that are "BLUED" will understand that this is also the oil in the compound rising to the surface.

[pencon]

What I do with every new set of tires is go to a large deserted parking lot (in my case the local pool ) and ride circles and figure 8s for a good half an hour . Start off slow and gradually pick up the pace .Circles first 15 mins or so then 8s . I figure this way if I go down I'm going slow, can still lean way over(at the end of the scrub in ) , and there's no traffic or obstacles to worry about .

[BikePilot]

I don't care what they say, there's werid waxy stuff on most new tires that is slipery. I sand it off before riding and will continue to do so

[98ss]

Originally Posted by Ziggy999

http://videos.streetfire.net/recentv...790122fe6d.htm

I beleive that video is in the TLZone vid zone and i if i remember correctly someone said something about there beign some ice where he dumped it. I'll look for the thread, that or forgot to throw the tire warmers on it.

[Pugnasty]

Has anyone aver considered using sandpaper to know off the surface layer? I think tha would do the trick if you were that worried about it. Dont ya think?