Motorcycle Repair: upgrade 80`` to 89``, ultima 4, vib

Question
QUESTION: HI MIKE, I HAVE A HD 80`EVO 1998 AND WOULD LIKE TO UP GRADE TO 89`, REPLACING MY OLD CRANKSHAFT WITH AN ULTIMA 4.625`. MY QUESTION IS, WHAT PROS AND CONS I WILL FIND....LET ME KNOW. THANKS. SID.

ANSWER: What are you planning on doing with the longer stroke? Your stock stroke is 4.125 and your going to  a 4.625?
Mike

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QUESTION: YES I AM GOING TO A 4.625, AND I AM LOOKING FOR HP AND TORQUE, BUT I DONT KNOW IF IT WILL WORK.

ANSWER: When I asked the above question, what I was looking for was, are you putting taller cylinders on?
Or are you using storker pistons? I wrote the wrong stock stroke down, its 4.250. It will work, but you have to do what I said above.
If I were you I would check out the S&S kits that do the same thing. The kits come with everything you need to do the work
Good luck and happy riding
Mike

---------- FOLLOW-UP ----------

QUESTION: OK, I WILL DO WHAT YOU HAVE SUGESTED, BUT MY QUESTION IS IF WILL I GET WHAT I WILL PAY FOR...I DONT KNOW ANYONE WHO DID IT. AND WILL I FACE ANY PROBLEMS AFTER THE JOB, LIKE  MORE VIB OR ANYTHING ELSE... THANKS. SID

Answer
With just changing the stroke and nothing else you are gaining 9 CI. Without changing the cam and exhaust you would probably be gaining about 10 horses and a little less in torque. You wont get any more vibrations in the motor and since you are only going to 89 CI you will not loose any reliability. the big thing you have to remember is, horses equal the size of your wallet. the more performance you want the more it costs. You asked if you will get what you pay for. that is really hard for me to say. that would be a matter of personnel opinion on whether you want o spend the money or not. I have used the S&S kits and they work really well and are a good buy for upgrading bikes

Good luck and happy riding
Mike