Mototune break in method

[Northern Monkey]

I used the mototune break in method (get it warm, thrash the crap out of it, then change the oil at 50 miles, repeat, done) on the grom, and it worked a treat. It took me a sunny Saturday to get it run in, and after nearly 3 years I've had no problems.

I've just bought myself an XSR900 which I pick up in a couple of weeks, and I'll probably do the same again, but with one small problem. Thrashing it will result in going a lot faster then the grom.

Any thoughts on how to do this without doing eleventy miles an hour?
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Fisty: after polishing the tank with the glistenng beads of sweat from my full hot scrotum, I filled the headrace bearings with 10cc of my manmilk

[andym]

First gear?

[stevo as b4]

No good it's load not Revs that you need to run an engine in in this manner if it's the theory you follow. You'd need to ride the bike up hill all the time really to try and load it enough.

Im not sure what the change oil at 50miles and again at 100miles is actually achieving though personally? Are you changing the filter both times as well?

[The Shaggy D.A.]

Book dyno time?
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[Rogerborg]

[stevo as b4]

It's just my opinion, but if there was any initial Swarf in the motor from machining or assembly which would be very sloppy workmanship anyway, I'd rather drop the sump off and clean it out that way.

I think it's the oil filters job to catch any bits of metal that might be deposited in the running in process, so at 500miles say when running in is over, I'd just change the oil then and the filter too.

Oil changes at 50miles won't IMO do anything beneficial nor will it catch any bits worth removing. And if you ever do an oil change without also changing the filter at the same time, it's totally pointless IMO. But I get that it's a subject we've all got very passionate different opinions on.

[ZX-7R]

[Northern Monkey]

I dropped the oil on the msx after 50 miles. The oil was noticeably shiny from the metal in there.
____________________
Fisty: after polishing the tank with the glistenng beads of sweat from my full hot scrotum, I filled the headrace bearings with 10cc of my manmilk

[Rogerborg]

[DJP]

Or you could, y'know, just ride normally.

From memory, the handbook for my Yam said: “Avoid prolonged operation above 6,000rpm for the first 1,000 miles”

ie Just don't thrash the tits off it.

I didn't even read the running-in instructions for my current bike.

I've had 5 new bikes in the last 20 years. Some I've run in by the book, some I've run in via the Motoman method and the last two I've just ridden as I normally would.

None of which has ever made the slightest difference – they've all been perfectly fine.
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[Polarbear]

My Trophy is an ex demo so you can be sure it hasn't been run in, just ridden /thrashed straight out of the box. I've had no issues.

I can remember having brand new bikes back in the 70's and 80's that had pretty well the same running in procedures that modern stuff does. I can't believe that manufacturing tolerances haven't improved a 100 fold over back then. I'm sure a lot of it is manufacturers just playing safe.
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Triumph Trophy Launch Edition

[MarJay]

There's no evidence than it's any better than following the manufacturer recommendations.
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British beauty: Triumph Street Triple R; Loony stroker: KR1S; Track fun: GSXR750 L1; Commuter Missile: GSX-S1000F
Remember kids, bikes aren't like lego. You can't easily take a part from one bike and then fit it to another.

[goto10]

[Rogerborg]

[Kris]

[chickenstrip]

I don't think there's any harm in going more or less by the manufacturers recommendations, or using the mototune method. Anywhere in between the two is probably just fine too. The key, imo, is not to putter around from new never letting the engine work at all. I also wouldn't do things like go up steep hills in a high gear, or sit on a motorway for miles without varying the revs at all. I'd also probably stay away from the redline for a while. Otherwise, I'd use it pretty much as normal, including some spirited riding. I have only ever caned one bike from brand new (FZ750), didn't do any extra oil changes, and never had any problems with it (except for crashing it one week into ownership ).

I also ran in one of the first GSXR750s by the book. Didn't have any problems with that one either.

I think people overthink this whole running-in business tbh. Use a little common sense, let it rev a bit, don't labour it excessively.
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[Hawkeye1250FA]

Install crap tyres

Position front wheel facing wall

Burnout.

[skatefreak]

How about booking two track day's back to back over a weekend

[Pete.]

[MarJay]

[MarJay]

[stevo as b4]

I'd be a bit more specific how I run in a brand new 250bhp/litre two stroke, but otherwise agree that running in these days for most engines is not too critical. I bet oil quality and formulation has got a bit to do with it too.

You used to hear alot about medium and high speed four stroke diesel engines, that could/would glaze the bores and start burning oil if they were not loaded hard from new or run under load or did lots of idling etc. You don't even hear so much about new diesels doing this anymore, so I bet modern oils have helped here too.

[Northern Monkey]

I've ran in a bike using the approved method before. 600 miles of boring slow riding keeping the revs and power low.

I only do about 1500 miles a year, so it'll take well into summer to get though 600 miles of running in. The mototune method gets it out the way in 50 miles.

As I've already tried it, and it seems to work well, and I can't find anyone who has tried it and had a problem, I can't see a good reason not to use this method.

It's just that the XSR900 is a fair bit quicker than anything I've tried this one before
____________________
Fisty: after polishing the tank with the glistenng beads of sweat from my full hot scrotum, I filled the headrace bearings with 10cc of my manmilk

[goto10]

[Rockhopper]

Some ECU's can log engine revs etc so if you ever had a warranty claim they could read the ECU and find out that you didn't run it in according to the manual.
My BMW owning friend picked his bike up after a service and they commented on how many times the ABS had been activated!!