929 engine into ‘03 954 bike? - Honda Motorcycles - FireBlades.org
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post #1 of 4 Old 11-16-2019, 8:15 PM Thread Starter
 
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929 engine into ‘03 954 bike?

My ‘03 954 has engine issues. Will an ‘01 929 bolt right in? Swing arm mount, wiring, etc? Will I need to swap Ecu?
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post #2 of 4 Old 11-17-2019, 2:54 AM
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Re: 929 engine into ‘03 954 bike?

Difficult to give a definitive answer to this unless someone has actually done it.

Most reviews of the 954 claim subtle differences to the 929, including chassis. Some of the most authoritative information is contained within MCS site which is a golden chest of info for all bikes. You will not mention to minor chassis changes as well as ECU upgrades (which would impact on loom compatibility) and also throttle body dimensions up from 40mm to 42mm, also impacting upon compatibility with your present injector system.

Appropriate links are:

https://www.motorcyclespecs.co.za/mo...954rr%2003.htm

https://www.motorcyclespecs.co.za/mo...a_cbr929rr.htm
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post #3 of 4 Old 11-17-2019, 3:23 AM Thread Starter
 
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Quote:
Originally Posted by nigelrb View Post
Difficult to give a definitive answer to this unless someone has actually done it.

Most reviews of the 954 claim subtle differences to the 929, including chassis. Some of the most authoritative information is contained within MCS site which is a golden chest of info for all bikes. You will not mention to minor chassis changes as well as ECU upgrades (which would impact on loom compatibility) and also throttle body dimensions up from 40mm to 42mm, also impacting upon compatibility with your present injector system.

Appropriate links are:

https://www.motorcyclespecs.co.za/mo...954rr%2003.htm

https://www.motorcyclespecs.co.za/mo...a_cbr929rr.htm
Thank you
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post #4 of 4 Old 11-19-2019, 10:03 AM
 
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I would think it would as the 954 is pretty much an over bored 929 with different cams and larger inlets. The mapping for fuel and ignition of the ECU from the 954 won’t match the engine but will probably run, if a bit rich on fuel.
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