How to make a 650r fast - Page 3 - KawiForums - Kawasaki Motorcycle Forums
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post #21 of 65 (permalink) Old 12-09-2012, 11:03 AM
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Originally Posted by 636karl View Post
'2-10hp' on what bike??
Certainly not the 650.
The best a powercommander and tune-up can achieve on our bikes will be 2-3hp at the top end, the more impressive ability of the PC and a tune is to maximise the delivery of said hp
I don't know about the 650 but on my 636 I gained like 8 between the benchmark pull and the final pull. Since every bike is different I figured some would be less and some more. All depends on how close the factory got it on that particular bike.

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post #22 of 65 (permalink) Old 12-10-2012, 12:07 AM
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Watch twist of the wrist 2 .... Will awnser a lot of these questions your having


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post #23 of 65 (permalink) Old 12-10-2012, 07:23 AM
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Watch twist of the wrist 2 .... Will awnser a lot of these questions your having


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I must have missed the part about power commanders....
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post #24 of 65 (permalink) Old 12-10-2012, 07:28 AM
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I don't know about the 650 but on my 636 I gained like 8 between the benchmark pull and the final pull. Since every bike is different I figured some would be less and some more. All depends on how close the factory got it on that particular bike.

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Nice bike that.
I had a 2005 C1H 636.
Loved that bike and if i recall correctly, once i fitted it with an Akrapovic slip-on, servo fix, K&N and the PCIII i ran 110bhp, this was about 6 years back, so my figure might be off a bit, but that little lot of goodies provided a noticeable punch but it cost alot of money to gain approx 6-7% more BHP, something i'm not prepared to do on my current 2012 Ninja 650.

As for the reason for taking a step down the Kawasaki tree, i have the Ninja 650 now because it's the only big bike that hasn't got a ridiculous import tax slapped on it and they are fully registered and road legal..... I'm waiting for more big bikes to become available then i'll get my baby back
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post #25 of 65 (permalink) Old 12-10-2012, 07:38 AM
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Changing the muffler does almost nothing, and a Power Commander only has a little effect on a stock bike.

For real extra power you need to overbore the throttle bodies along with some re-working of the ports and work on the airbox to improve the motor's ability to breath. You need to replace the cams with something a bit more agressive and advance the ignition curve. Some tuners have used aVersys exhaiust cam as an ER-6 inlet, but I'm not sure if this really works. Skimming a fraction off the head face will increase the compression - high compression pistons might be better but I don't think that are any available.

You'll need to run premium fuel and use your Power Commander to re-map to suit the rest of the engine mods. I believe that a really good tuner can get up to around 80 bhp at the wheel, perhaps a little more. That will give you the times you're looking for.

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post #26 of 65 (permalink) Old 12-10-2012, 08:20 AM
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Like some other people have said , unless it is one of those projects were you have a lot of money and would like to see what some 5 grand can do to a standard-sport bike then it may be worth seeing , hell I work on an investment bank and see people lose 200k dollars on a bad investment some times, 5 grand is really not a lot to invest if you are curious .

But like other people have suggested , buying a faster bike from the get go it is the best bet, I ride my bike because the insurance rates , chances of for the bike getting stolen and gas millage are ridicously low, a good mix of economy with some grunt when you need it and head turning awesome looking design.

Upgrading a 650 into a super sport although nice it, would be a travesty of what the bike was originally designed for, however in the case of someone that owns a 650 on a place that has heavy tax penalties on faster bikes or in my case were the insurance rates on sport bikes are ridiculous I would consider it , hell the difference in insurance rates between a new 636 and a 650 for me (because of were I live) is about 2 grand , so if you think about it , if you invest 4 grand on a 650 you would get your money back in insurance savings alone.

Best bet on my case would be to buy an older 636 sadly..

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post #27 of 65 (permalink) Old 12-11-2012, 07:13 AM
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Like some other people have said , unless it is one of those projects were you have a lot of money and would like to see what some 5 grand can do to a standard-sport bike then it may be worth seeing , hell I work on an investment bank and see people lose 200k dollars on a bad investment some times, 5 grand is really not a lot to invest if you are curious .

But like other people have suggested , buying a faster bike from the get go it is the best bet, I ride my bike because the insurance rates , chances of for the bike getting stolen and gas millage are ridicously low, a good mix of economy with some grunt when you need it and head turning awesome looking design.

Upgrading a 650 into a super sport although nice it, would be a travesty of what the bike was originally designed for, however in the case of someone that owns a 650 on a place that has heavy tax penalties on faster bikes or in my case were the insurance rates on sport bikes are ridiculous I would consider it , hell the difference in insurance rates between a new 636 and a 650 for me (because of were I live) is about 2 grand , so if you think about it , if you invest 4 grand on a 650 you would get your money back in insurance savings alone.

Best bet on my case would be to buy an older 636 sadly..

Would a heavily modified 650 really cost that much less than a stock 636..... I'm of course talking about someone who declare ALL modifications to the bike.
I know back home in the UK such a bike would be nearly the same, perhaps a bit more than a stock 636 to insure.
If said person didn't declare the mods, he/she may as well save the money and ride around with no insurance, that way they'll have an extra $2000 to spare when the insurance company refuses to pay out due to all the undeclared modifications.

I'm of course speaking hypothetically and wouldn't wish for anyone to ride with no insurance...
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post #28 of 65 (permalink) Old 12-11-2012, 07:22 AM
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Stock 636 or 600 has around 120 - 130 bhp.

The best that you get out of a modified 650 is around 80 bhp in any sort od street rideable form. There was a project to get 90 bhp out of one, but I don't think it succeeded, and if it did the 600 still has over 30% more power and about 30 lbs less weight.

If you want to go faster, get a faster bike, but if you want to see how fast a 650 can be made to go, which is very different thing, then good luck.

Rob
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post #29 of 65 (permalink) Old 12-11-2012, 07:29 AM
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Quote:
Originally Posted by 636karl View Post
Would a heavily modified 650 really cost that much less than a stock 636..... I'm of course talking about someone who declare ALL modifications to the bike.
I know back home in the UK such a bike would be nearly the same, perhaps a bit more than a stock 636 to insure.
If said person didn't declare the mods, he/she may as well save the money and ride around with no insurance, that way they'll have an extra $2000 to spare when the insurance company refuses to pay out due to all the undeclared modifications.

I'm of course speaking hypothetically and wouldn't wish for anyone to ride with no insurance...
I honestly don't think an insurance company would go through the trouble of checking a bike for modifications , I think most insurance companies would just settle by paying the stock price and would not bother paying someone to look for modifications unless they are getting sued for a lot of money.

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post #30 of 65 (permalink) Old 12-11-2012, 09:46 AM
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Quote:
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I honestly don't think an insurance company would go through the trouble of checking a bike for modifications , I think most insurance companies would just settle by paying the stock price and would not bother paying someone to look for modifications unless they are getting sued for a lot of money.
not at all; 1) if you aren't idiotic you would tell your insurance company you do have mods in case something happens so they can reimburse you.
2) if you have mods on your bike and another party is paying for it, they will pay you for your shit unless you dont say shit and just take whatever

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