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Old 03-31-2012, 04:26 PM   #1
ecclissiass
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Question Motorcycle engine break in

ok, so the first 600 miles of a brand new bike requires "special handling". I was at Mancuso this morning and, after the owner congratulated me on my new purchase, gave me a tip on proper motorcycle break in. So, I thought I would share this littel jewel for anybody purchasing a new bike. He told me to find a good little section of town to allow for a "controlled" use of clutch and throttle from gears 1-6. Meaning, staying in one gear for an extended period of time is actually bad for the engine. And that if I could just simply ride around at speed but going through all the gears at approx. 60% throttle then rest until the engine is cold, repeat at 75% throttle, rest and repeat, you will find that this will optimize your engine's performance. He went on to say that this method is what professional racers use to break in there bikes. Have any of you heard of this procedure? Further, what do you recommend as a proper "break-in"?
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Old 03-31-2012, 04:41 PM   #2
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There are 2 schools of thought. There is this one and there's the one that is in your MOM (Motorcycle Operator Manual). You pays your money and you takes your choice.

My dealer recommended the MOM method, but said that the biggest enemy of new engines is heat and the heat continues to soak in after you turn the bike off so he recommended when I stop the bike leave the ignition on and let the cooling fan cut in. then after a couple of minutes restart the bike for 30 seconds to circulate the (now cooler) water from the radiator round the engine.
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Old 03-31-2012, 04:42 PM   #3
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I've heard similar advice, I've also heard that it doesn't make a bit of difference after the first thirty miles or so. All I've heard is advice, no one seems to have any facts. I broke mine in according to what the manufacturer recommended, but I didn't worry about extended use in one gear.
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Old 03-31-2012, 04:45 PM   #4
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I gave mine the tough love broken in method.
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Old 03-31-2012, 04:45 PM   #5
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15-20 mins of 30-80% throttle at varying rpms to make sure the rings seat, and that there are no leaks or excessive buildup in oil filter, then give it works well on the V8s I'm used to, I'm guessing a bike motor would probably respond similar and sounds somewhat similar to what was recommended to you.
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Old 03-31-2012, 05:01 PM   #6
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My manual read to use all the gears, up shifting and down shifting..don't just get on the freeway and travel 600 miles in one gear. Break them all in as equally as possible.

So that's what I did...............oh, and don't rev over 5000 rpm's. ( mine red lines at 8K)
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Old 03-31-2012, 05:24 PM   #7
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i've heard to run in high RPMs so the rings seat correctly.
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Old 03-31-2012, 05:47 PM   #8
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I broke mine in at the drag strip. I bought it Friday and put it on the track friday with 100 miles on it.
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Old 03-31-2012, 05:55 PM   #9
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This topic comes up every so often and the advice is always the same.
It's either:
"Ride it like you stole, man. That's the way they do racing engines."

Or:
"Follow the mfr instructions. They been building and testing engines for decades and they want you to be a happy customer".

I say listen to the people that built it...
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Old 03-31-2012, 06:50 PM   #10
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Ride it like you stole it.
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Old 03-31-2012, 07:20 PM   #11
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Here is one link from a guy who says to break in the engine by running it hard:http://www.mototuneusa.com/break_in_secrets.htm

and heres pop. mechanics outlining some alternatives http://www.popularmechanics.com/cars...k-in-a-new-car

granted the guy in the first link is prob. breaking in lawn-mower engines i would be inclined to follow a more gentle approach but with the same ideas involved, I think his knowledge is correct, i would apply it a little differently.


Also while im digging links out of my bookmarks for you here is a guy who gives a real good breakdown on motor oils and how to compare them-
http://motorcycleinfo.calsci.com/Oils1.html

looking at the above link it turns out there is a whole wealth of info at that site for everything from oil to chassis, im sure he's got some info about breakin procedure there as well.
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Old 03-31-2012, 07:21 PM   #12
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Full up racing engines also give up lifespan for performance. Since most probably can't use all the bike's stock performance, break it in according to manufacturers specs.

Side note: I used to work at New Orleans Harley-Davidson and saw a lot of customer bringing their new bikes (under 5,000 miles) in with problems. Most had just held the RPM constant and gone cruising.
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Old 03-31-2012, 08:08 PM   #13
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Quote:
Originally Posted by j_e_hurst View Post
Ride it like you stole it.
:thumbup::beer:

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Old 03-31-2012, 08:17 PM   #14
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Quote:
Originally Posted by bumblebee View Post
This topic comes up every so often and the advice is always the same.
It's either:
"Ride it like you stole, man. That's the way they do racing engines."

Or:
"Follow the mfr instructions. They been building and testing engines for decades and they want you to be a happy customer".

I say listen to the people that built it...
Or you could listen to internet badasses that don't own your bike.
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Old 03-31-2012, 08:24 PM   #15
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Quote:
Originally Posted by bumblebee View Post
Or you could listen to internet badasses that don't own your bike.
Lol, I hear you. Actually, for the people that provide insightful readings and alternative resources, I find the information provided quite interesting. There is a lot to learn about how engines work and the performance gains by taking the time to learn about the subject. The owner of Mancuso took the time to chat about bikes and seemed pretty genuine about providing his insight. All things considered, I will more than likely ride the out of my bike after the break-in period anyway.
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Old 03-31-2012, 08:59 PM   #16
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I was told to go through the gears but not gunning the throttle. Also, do not pass 8k rpms. (Redlines @ 15k). don't stay in the same speed and let it fluctuate around, doing the same through all the gears. I was back at the dealership in 2 days... go tmy 600mile service done, and ran the out of it.
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Old 03-31-2012, 09:08 PM   #17
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I didn't beat on mine right away, gave it about 100 miles or so, but was moving through the gears, and varying speed, not over 8-9k rpm...I'm at 2000 miles now and it runs like a champ...

I've used motomans method ( ride it like you stole it ) for all of the cars that I've had built and bought...never a problem with one...bike seems to be following suit.
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Old 04-01-2012, 12:15 AM   #18
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I was at Mancuso this morning, which bike did you buy?!?
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Old 04-01-2012, 11:40 AM   #19
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The situation with my current bike is this:

i got the bike in a salvage sale @ 650 ish miles.

Banged up and mistreated. Rode hard and put up wet (i can only assume, maybe the rider was chicken and never really topped it out, just crashed at low speed)

I've ridden under the assumption that he rode the out of it and never really worried about break in procedure

That said i do treat my bikes well, and am hardly up in the red line area. For my commute style riding.


Also, I ride an SV which is more forgiving than say, a very hi compression supersport so I was more minimal on my approach.

Again YMMV
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Old 04-01-2012, 01:39 PM   #20
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Unless you plan to ride it till the wheels fall off, who gives a .
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