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Steve Leeson
North Yorkshire,
United Kingdom

Posts: 673
Enthusiast


07 Feb 2017 16:30
Tango13:
I'd be very wary of raising the rev limit on a 1050 using standard rods, the standard Triumph ones are definitely built to a price.

/media/file/130163.aspx
/media/file/130164.aspx

A rod failure will take out the cases and possibly the head or peace of mind for about the same as a short block from the breakers.

http://www.cambridgemotorsport.com/


As Tango13 has said I wouldn’t push the rpm to 11000rpm, I’d not go above your ECU maximum setting of 9900rpm & seriously consider using better pistons & rods
A 1050 speed triple’s Mean Piston Speed at 9700rpm is 23.1 m/s
At 9900rpm it’s 23.6m/s
And at 11000 rpm it’s 26.2m/s!!!
As an indication a 2nd gen 955 Daytona engine with a stroke of 65mm has a Mean Piston Speed at 11000rpm of 23.8m/s & AFAIK had the highest mean piston speeds of any production bike until the new 2017 Fireblade came out, the Daytona is higher than almost all the other current superbikes - BMW’s S1000RR is considered high at 22.4m/s
So IMHO to go as high as 11000rpm you are really pushing the limit on a 15 year old engine design, if you still would like more power, but with less chance of the motor grenading have you considered a turbo :smile:
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