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May 12

Posts: 3

obelisk says:

Exhausting mpg

Triumph Bonneville long term test

There was a great article a while back on the Bonnie and a feature in thid weeks paper. I'm continually surprised by the high mpg recorded and wondered if there's any opinion on how to improve ab EFI Thruxton. Its fitted with Norman Hyde exhausts and never gets above 35mpg despite frugal use of the throttle. These were fitted by the previous owner before I bought from a dealership. Aftermarket pipes are an essential for me as I just couldn't live with the mouse like sound of the standards - louder ones have prevented careless pedestrian accidents too. Any thoughts on how to get better fuel efficiency would be much appreciated. Remapping?

Many thanks,

Ollie London

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  • Posted 2 years ago (19 January 2013 19:38)

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Dec 10

Posts: 11938

preunit says:

Nice bike

but why'd you buy it?, if ya tank watching then... blah,blah choices..Do you run the pipes with db killers, has the bike had any other mod's?

If ya running it without db's, and a k&n etc then a remap will help, but a power commander and some dyno time with mpg's in mind will yield the best results.

But 35 mpg's you sure?



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Aug 02

Posts: 3272

eatcs01 says:


How are you calculating the mpg??

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