[furious_blue]

Honda doesn't specify any break in period rev limits.

Speculation: it's an extremely over square short stroke engine so the actual piston speeds at higher revs aren't really so high as to be a big concern.

I was going to wait until 50 miles before taking mine on freeway, but at 30 miles I needed to get on the freeway to get somewhere.. so up to 6500 rpm it is, just not at full throttle to get there yet, per their instructions.

 

[furious_blue]

.. I've had 5 new bikes all broken in Motoman style and not had any problems.

The proper breakin may depend on the bike. My 2006 Speed Triple (with modern engine) had a strict breakin regimen with different rev limits specified at 100, 250, etc.. starting off with not exceeding 3500 rpm before 100 miles and increasing up to specific limits thereafter.
Additionally they specify NO OIL change before 600 miles AND a change to full synthetic (ONLY) at 600 miles.
I did as they recommended. I would recommend following a manufacturers advice in all cases.

 

[furious_blue]

Some manufacturers are using a special break in oil. My buddy's KTM had that and we broke it in Motoman style and just left the oil in until the 600 service. ... I wouldn't doubt that your break in process had mostly to do with the clutch. Triumphs tend to have good clutch feel and that's usually attributed to materials.

Today's materials are so hard and well finished that you really can't hurt the motor unless you lug it or drone it on the freeway before break in.

It's an interesting idea, but I doubt very seriously that the specific max-rpm vs breakin mileage instructions from Triumph had anything to do with 'conditioning the clutch' or something like that.

The engineers at Triumph would probably also disagree today's materials are 'so hard' that you can't hurt the motor such that violating their rpm guidelines during breakin will not result in a less than optimal result.

AFAIK, motors aren't necessarily about having 'hard' parts.. for example between 2 plain bearing surfaces they can't both be 'hard' or the bearing will never last...