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I'm the new owner of a stock 2002 Bonneville and have got a question.

Engine response to closing the throttle seems awfully abrupt (to me anyway).

Are there any mods that would reduce this effect?

Does shimming the needle jets or removing the air injection system help?

Thanks

 

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What I meant by abrupt was that closing the throttle
relatively quickly at low speed causes a sudden decrease in engine speed (expected) and then the whole bike pitches forward on the front forks.

I was expecting a smoother transition from a light to closed throttle.

The effect seems to be amplified by the soft fork springs.

It's probably just me not being used to the bike yet.

 

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Thanks for all the feedback and advice.

I haven't ridden much in recent years and need to get used to riding a relatively large twin cylinder bike.

Will also take a look at throttle cable slack.