CBR900rr lower crankcase interchangeable 96-99 - Honda Motorcycles - FireBlades.org
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post #1 of 5 Old 03-24-2015, 5:17 AM Thread Starter
 
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CBR900rr lower crankcase interchangeable 96-99

I am about to buy a replacement engine for my 1996 cbr 900rr. The engine is from a 1999 cbr 900. The problem is that it has a damaged lower crankcase.
Going to try repairing it but if its to difficult, the plan B.. using the older lower crankcase!!
So the question is:

Do any of you know if is it possible to use the lower crankcase from the 1996 engine om the 1999 engine??
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post #2 of 5 Old 03-24-2015, 5:48 AM
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Re: CBR900rr lower crankcase interchangeable 96-99

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Originally Posted by CBRf3dk View Post
I am about to buy a replacement engine for my 1996 cbr 900rr. The engine is from a 1999 cbr 900. The problem is that it has a damaged lower crankcase.
Going to try repairing it but if its to difficult, the plan B.. using the older lower crankcase!!
So the question is:

Do any of you know if is it possible to use the lower crankcase from the 1996 engine om the 1999 engine??
No that won't work. Too many variables. Mainly with the main crank bearings, as well as subtle differences with the tranny and speed sensor.

My 99 900RR Track Build Link:Track Build 900RRX

My Red Rocker 93 Build Link: Café 900RRP
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post #3 of 5 Old 03-24-2015, 6:12 AM Thread Starter
 
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Re: CBR900rr lower crankcase interchangeable 96-99

But isnt the crank shaft the same from 1996-1999?
The speed sensor is not a problem since i an hoping to use the one from the 96.

Just to make sure it is this part:

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post #4 of 5 Old 03-24-2015, 6:12 AM Thread Starter
 
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Re: CBR900rr lower crankcase interchangeable 96-99

crap...

moto-wreck.com - Carters - Engine crankcase - lower - CBR 900RR (97)
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post #5 of 5 Old 03-24-2015, 6:19 AM
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Re: CBR900rr lower crankcase interchangeable 96-99

The cases are different. Tranny's are machined a bit different too.

My 99 900RR Track Build Link:Track Build 900RRX

My Red Rocker 93 Build Link: Café 900RRP
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