Engine Break-in

[m1a1dvr]

I have been reading different articles in magazines about breaking in the engine. The manual says to keep the RPM's below 8000. The problem I am having is that most of the articles that I have read tell me to rev the engine hard. They tell me to bring the tack close to the redline in second, third, and fourth gears. It also said to use hard acceleration and deceleration in each gear. I am really confused can anybody help me?

[BubbaGump]

I have been reading different articles in magazines about breaking in the engine. The manual says to keep the RPM's below 8000. The problem I am having is that most of the articles that I have read tell me to rev the engine hard. They tell me to bring the tack close to the redline in second, third, and fourth gears. It also said to use hard acceleration and deceleration in each gear. I am really confused can anybody help me?

Ignore magazines and find out what the manufacturers say about break-in reagarding RPM's and time. Follow it and you won't have problems - afterall, their engineers are the one's that designed the bikes - they know how they should be run.

[ofblong]

I have been reading different articles in magazines about breaking in the engine. The manual says to keep the RPM's below 8000. The problem I am having is that most of the articles that I have read tell me to rev the engine hard. They tell me to bring the tack close to the redline in second, third, and fourth gears. It also said to use hard acceleration and deceleration in each gear. I am really confused can anybody help me?

Ignore magazines and find out what the manufacturers say about break-in reagarding RPM's and time. Follow it and you won't have problems - afterall, their engineers are the one's that designed the bikes - they know how they should be run.

with that philosphy you wont get very far. most engineers I know dont know how to run the machines they build let alone set them up.

[BubbaGump]

with that philosphy you wont get very far. most engineers I know dont know how to run the machines they build let alone set them up.

Wow - you're kidding right? So you think they don't know what will cause premature damage to an engine? Interesting - I know that some of the million dollar equipment we run has strict parameters for break-in. Most have an event data recorder that will rat us out if we broke the parameters - thus cancelling the warranty. But hey...sounds like you know.

[fiveoboy01]

Most "factory" requirements for break in(cars, motorcycles, snowmobiles, ATVs etc etc) are BS in my opinion. All you need to do is get the rings seated properly, and that does not take all these miles/hours that the MFR recommends.

Some may disagree with me, but I've been putting together my own race car engines for years and don't do much to break them in. And I've had several brand new recreational vehicles. They take plenty of abuse, and I've never had a ring or bearing related failure. Are motorcycle engines that much different? I wouldn't think so.

[ofblong]

with that philosphy you wont get very far. most engineers I know dont know how to run the machines they build let alone set them up.

Wow - you're kidding right? So you think they don't know what will cause premature damage to an engine? Interesting - I know that some of the million dollar equipment we run has strict parameters for break-in. Most have an event data recorder that will rat us out if we broke the parameters - thus cancelling the warranty. But hey...sounds like you know.

most of the ones I have met have no idea what really will cause it. I am a mechanic (though an industrial one) and like i said most engineers I know dont know their arse from a hole in the ground. There are some who know alot and are very bright but they are few and far between.

[Scott58]

Take it easy and don't lug the motor. Very your rpm's as much as possible. I've broken in alot of motors and they last a long long time. A Race engine isn't meant to last 100,000 miles (although I'm sure a few have). After 500 miles I'll start getting pretty agressive. By 1000 miles everything pretty much settles in. Your bike should run strong for a long time.

[MotoF150]

the best way to run any bike is to run it and ride as soon as you start it, get the engine to warm up, to get to normal operation temp as fast as it can, cold engine, increased engine wear

[BigChickenStrips]

in another thread, techBMW (a mod here and also a motorcycle mechanic i believe) stated you can seriously "fudge" your engine up by revving it real high and riding it hard while in the "break in" period. bent valves and somethign else. im too lazy to look for it, maybe he will chime in here

[m1a1dvr]

Huh. I have seem to have started an argument on here. That was not my intentions. But I am still comfused. I have broken in quite a few quad engines but reving then throught the range right off of the bat. But the manufactures have never put a limit on how hard they should be run and for so long. The whole street bike concept is new to me. Alot of people have given both sides of the argument that I was talking about, rev it up, and not to rev it up. So I guess what i am saying is a street bike engine anything like the quad engines that I have broken in?