| Author | Message | ||
     Joojoo |
So, I finally picked up my 12, and love it! I rode her home, and opened up my manual, to find out the break in 50 mile run should be a max of 2500 rpm. While riding her home, I took it real easy but probably averaged an RPM range of 2600-2900 RPM. I didnt know that 2500 RPM was the number to stick to for the first 50 miles. Will running 100-400 RPM over the 2500 limit hurt anything inside? The bike is awesome! I cant wait to be able to bring her over 3000 RPM... Jack | ||
| Prof_stack |
No, it won't hurt. Just go easy for a little while and then start going higher as the miles roll on. Follow the instructions in the spirit of the law. Part of the reason for the limited rpm's is for you to get used to the bike so you don't wrap it and you around a tree. Have fun! | ||
| Xb9er |
Part of the reason for the limited rpm's is for you to get used to the bike so you don't wrap it and you around a tree. Urban myth, I think it is. Here's the right way to break in your firebolt. Very controversial, but it makes more sense than the traditional way: http://www.mototuneusa.com/break_in_secrets.htm Mike. | ||
| Prof_stack |
I wouldn't mess with the conventional wisdom for breaking in the bike. Your choice, of course, but most Buellers would agree with what the owner's manual says to do. | ||
| Opto |
For break-in I was told not to run it (XB12) under 2500rpm and not to blip the throttle by the service manager. With 6500km on it now I know that 2500rpm almost equals lugging the engine on a 12, about the worst thing you could do to it. It's absolute bullshit to not allow the engine to run smoothly IMHO, and on a 12 this means 3000rpm minimum during break-in. I rode mine normally from the start meaning not overload it but let it spin and be aware that it's still a bit tight. I agree with you Prof in what you say and your advice is a lot safer than mine and is by the book, but I don't think by any means that it (the book) is a good way to break in a 12 Buell, it's a testament to the strength of these motors that they actually survive a "break-in" by the book. | ||
| Aesquire |
I was religious about breakin, 500 miles of short shifting & don't lug! PITA! My M2 seems tight, (good tight not bad tight) a few tablespoons of spew in the catch can in 1500 miles. That said, If/when I put in new jugs/pistons/rings I'm doing it the "Mototune" way on a Dyno. Then I'll just ride. Anyone try this technique? | ||
| Xb9rski |
Damn, I was told 50 miles at 50 miles per hour, then drive it like you stole it..."Thats what the warranty is for" he said. Been working great ever since  | ||
| Socoken |
i was always told that it mattered more to vary your rpm through a modest range, than to keep it at a low rpm only. i think the reason for the low rpm suggestion is to insure that the engine is not under a heavy load. in other words, a motor should be revved, but not under load, not more than half throttle. thats just what i was taught. what this guy on mototune says does make sense, but after reading some of his stuff on head porting, it makes me wonder. the whole thing sounds like a hoaky infomercial to me. curious to hear what a pro like Wes or Brian would say about what that guy wrote. JMHO Ken | ||
| Joojoo |
Hey guys, is 90KM/H in 5th lugging the motor? I was running at around 2700RPM in 5th for a few Km's to go through the gearbox, get all the gears moving....most of the time in 3rd/4th 60-80KM zone.....hope I didnt mess things up going into 5th a few times at 2700rpm during the break in..... Jack |
