165mph several times as reported by the max speed on the laptimer. Although I am -1 on the front cog so its probably only 150mph. Interestingly she was still pulling strong at that speed - I just ran out of road, I presume the rev limiter still works in top gear? What is the rev limiter set at as standard by the way?
Fair one, i would never dream of trying to use that as an excuse, just be digging ones self into a deeper hole :hole:
I think i have too much mechanical sympathy to hold her on the limiter... its not the speed its the worry that the engine might go bang! I wonder how long the engine would last flat out? Is it within the design tolerance to run on the limiter forever? Or will protracted periods on the limiter seriously reduce the overall engine life?
I could be wrong, but isn't the idea of the limiter to limit you from being able to take the engine to the point where it would go bang? Therefore, shouldn't it be able to stay on the limit indefinitely (or until you run out of gas!)? On my previous bike (SV), hitting the limiter meant a sudden cut in power - at least the D675 doesn't do that but just doesn't go any faster!
Protracted periods at high revs will almost certainly limit the engine life - how much by I'm not sure, and I guess it depends what you mean by protracted.
Yes, that's exactly what it's meant to do. But the higher the engine revs the more strain there is on the components so it could well limit the engine life.
Sitting on an autobahn for an hour. As I have a -1 front cog its actually quite easy to get to flat out around 150mph. I once sat on the motorway from St Trojez to Le Havre. 700miles, mostly on the speed limiter on a BMW K1. That was in the days of the 155mph "gentleman's agreement" on a bikes top speed. Interestingly a speed limiter so not actually on the rev limit.
Pop down to the Le Mans camp site this weekend. You'll find out all you ever wanted to know about rev limiters.
been there its absolutely nuts/mad!! Tested my bike on the way home in 2nd,3rd & 4th : 15,000rpm : guess that could be tacho error?
You can do that with TuneECU easy enough... However, the TTC people have found that above 14.5krpm the 675 has an unhealthy habit of bending it's crankshaft.
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