more power for T120?

guscar65

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I note that the bobber uses the T120 engine but has some 10% more power and torque------I suspect that its down to higher compression ratio --but does anyone know its achieved, another 7hp wouldn't hurt the 120, if it did not cost too much to gain.
 

Qship

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Speed Twin engine would make an even better choice IMO.
Lots of internal changes(lightening of internals, etc).
Would be a sleeper Bonneville for sure.
Read specs on Triumph website may shed some light on how they get the 10% gains in the Bobber engine. Different engine ECU programming would be my first guess.
 

shanered6

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As Q said most of the power gain is down to lightning of internal parts and fueling .
 

guscar65

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Speed Twin engine would make an even better choice IMO.
Lots of internal changes(lightening of internals, etc).
Would be a sleeper Bonneville for sure.
Read specs on Triumph website may shed some light on how they get the 10% gains in the Bobber engine. Different engine ECU programming would be my first guess.
yes I note that the speedtwin has all of these improvements----but the bobber doesn't seem to as it develops some 86hp rather than the full 90 odd that the speedtwin and thruxton have. The speedtwin would have been a better choice but I had to meet a compromise (with the wife who found the speedtwin uncomfortable). I do enjoy the T120 but the ' lad' inside would like a tad more. It was just a shot in the dark really, my thanks to all those who replied, much obliged.
 

rodhotter

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lots of ways to increase power depending on your $$$. an engine is just an air pump so more fuel with the proper ratio to air + more out, sounds simple but NOT. small increases with typical bolt ons work + the optimal ECU tune up to the engines ability to flow more safely. only a little can be added before longevity is compromised!! if you really want faster safely buy a proper sports bike that goes, stops, + corners better but is not so comfy!! look at the HP small HIGH rpm engines make as every rpm is a gulp of air + fuel + while our bonnies are signing off at 6 thou sport bikes are just really coming to life!!
 
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