650 vstar exhaust - Star Motorcycle Forums: Star Raider, V-Max, V-Star, Road-Star Forum
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post #1 of 19 (permalink) Old 01-28-2010, 01:31 PM Thread Starter
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650 vstar exhaust

I have a 98 vstar 650 I'm tryin to get a new exhaust and I'm wonderin which one I should get I want loud and more horsepower CAN ANYONE HELP ME OUT?!? And once I get it do I have to rejet my bike? Plz help me out thanx
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post #2 of 19 (permalink) Old 01-28-2010, 08:44 PM
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exhaust

From what I read you will not need to re-jet if all you change is the exhaust. I don't think you will gain a lot of horsepower from just the exhaust. I hear reports of gain in HP if you replace air intake and exhaust, plus re-jet.

Try going to youtube.com, type in V star 650 and search. There will be several video's with sound with several exhausts. Keep in mind the record level is automatic on most recorders so volume is hard to judge. Sound quality is also poor.

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post #3 of 19 (permalink) Old 01-28-2010, 09:13 PM
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Exhaust

Just a word, take it or leave it. If you change exhaust to something like straight pipes for the noise without rejeting you are going to run super hot, you seen the blue pipes? Be careful, if you care.

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post #4 of 19 (permalink) Old 01-28-2010, 11:29 PM Thread Starter
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Thank u both for ur inputs and sugar bear how would I wanna rejet bigger or smaller? And I am gettin a Better air intake also I'm new to the whole redoin pipes and air intakes so if u guys got any tips I would appicate it alot and sugar bear where u from in IN I'm on the border of IL and IN

Last edited by Vstarryder; 01-28-2010 at 11:31 PM.
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post #5 of 19 (permalink) Old 01-29-2010, 06:33 PM
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Originally Posted by Vstarryder View Post
Thank u both for ur inputs and sugar bear how would I wanna rejet bigger or smaller? And I am gettin a Better air intake also I'm new to the whole redoin pipes and air intakes so if u guys got any tips I would appicate it alot and sugar bear where u from in IN I'm on the border of IL and IN
I am no expert by any stretch, I can turn a wrench and keep my stuff goin. I am saying what the boys in the shop have told me, and what I have seen. They tell me bigger jets the more open you go, what size? depends they say.

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Last edited by Sugar Bear; 01-31-2010 at 08:56 PM.
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post #6 of 19 (permalink) Old 01-29-2010, 08:07 PM
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jets

If you increase air flow with an exhaust and/or air filter change then the bike may run lean. So more fuel would be needed. Larger jets. Some have periodicly checked plugs for sign of running rich or lean. White plugs to lean, carbon to rich. I have heard several people say that with only muffle they did not rejet. No guarantee on that.
The big air kit comes with instructions and jets. Search the Internet you will see several. Here is one.

http://www.ehow.com/how_4709403_rejet-yamaha-star.html

Dave

Last edited by linerdave; 01-29-2010 at 08:12 PM.
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post #7 of 19 (permalink) Old 01-31-2010, 09:04 AM
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I can hook you up with an almost new set of Vance & Hines Cruisers for that bike, yes you will have to re-jet. See my ad in the classified section of the forum: https://www.starbikeforums.com/forums...ead.php?t=1150

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post #8 of 19 (permalink) Old 01-31-2010, 06:16 PM
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For rejetting I would suggest going to Maxair instead of Dynojet. Maxair runs just a little bit leaner which means you retain most of your gas mileage. Dynojet makes the engine run very rich (ie. poor gas mileage). For what it is worth. I have had both kits on my 1100 and prefer the Maxair kit. I would also suggest removing or at least blocking off the AIS system. I could also cause the pipes to turn blue.
Hope this helps
Doug
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post #9 of 19 (permalink) Old 01-31-2010, 08:16 PM
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I'm running the maxair with Roadburner Street Pro pipes with the AIS, haven't had any problems at all, also I running a Hypercharger...when I had it disabled I had more problems with it popping on decel: so then I enabled it again and haven't heard a pop yet!

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post #10 of 19 (permalink) Old 01-31-2010, 09:27 PM Thread Starter
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So the Final vertict is Maxair for my air intake and Vance and Hines exhaust and I just have to rejet and I'll be good? Well thank u all for everything and ur inputs
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