Vt500 motors/tuning/performance - Honda Shadow Forums : Shadow Motorcycle Forum
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post #1 of 15 (permalink) Old 12-06-2012, 02:03 PM Thread Starter
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Vt500 motors/tuning/performance

Anyone have ideas on how to squeeze more hp/torque performance out of these motors. I've heard Honda has them tuned out pretty tight, but just wondering.
Thinking of trading for a second one-wouldn't touch the first-and turning it into a bobber with considerably more attitude.

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post #2 of 15 (permalink) Old 12-08-2012, 09:42 PM
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you won't get much more than having it in it's best working order. i feel people are afraid to rev it high enough open it up and it will move pretty good.



1983 VT500C & 2003 Kawasaki Vulcan Drifter 800
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post #3 of 15 (permalink) Old 12-08-2012, 10:53 PM
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Hey ernie, I'm not afraid to push the rpm when accelerating but i have noticed on my 500 that after coming up in the gears, I have a fuel starvation around 7,000 rpms when i get to 3rd or 4th gear. Do you have anything like that?
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post #4 of 15 (permalink) Old 12-08-2012, 11:01 PM
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Do you have aftermarket pipes? I have Jarden slip ons a K&N filter and mine did the same thing until I put a jet kit in. Now it's good to redline with no problem.

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post #5 of 15 (permalink) Old 12-08-2012, 11:03 PM
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yeah, it has straight pipes on, with stock jets in the carb, never thought of the pipes causing that problems, it runs like a champ otherwise.
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post #6 of 15 (permalink) Old 12-08-2012, 11:15 PM
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Yeah, it's the old back pressure deal. I have the Dyna Jet jet kit and would recomend it to anyone with aftermarket pipes on their 500's.

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post #7 of 15 (permalink) Old 12-09-2012, 12:08 AM
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I would recommend the jets also the deference is amazing. I about slid off my seat the first time I really opened her up, not that that is hard concerning the hard slick wood surface.

84 VT500


86 VT700
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post #8 of 15 (permalink) Old 12-09-2012, 12:48 AM
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Am I reading this correctly that a VT500 with factory exhaust could benefit from a rejet?
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post #9 of 15 (permalink) Old 12-09-2012, 09:28 AM
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In my opinion if your bike is factory you won't see much change. On the other hand if you have more flow through your intake and exhaust the bike will need more fuel to run it's best. It's about keeping your air fuel mix in the optimal zone.

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post #10 of 15 (permalink) Old 12-10-2012, 02:40 PM Thread Starter
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I am currently running the stock set up. Was thinking of dumping the power box/factory exhaust for the Mac duals, had talked to several people who said it wasn't necesary to reject making that change-however-I see opinions here are different.

Shooter

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