Yamaha Discussions about Yamaha ATVs.

Banshee Street Racer

Old Sep 15, 2002 | 04:15 PM
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My Shee is going te be made street legal within a few weeks (turn signals, horn, etc.). Now I'm wondering: 'What would be the best way to turn my Banshee into a superfast street Banshee?' I have only one problem: since I live in Europe, I can't bring my machine to a shop like Trinity or Duncan to do some internal motor mods. I have to order everything through the internet. So what mods would be best to turn a stock Banshee into a great handling streetracer? Any help would be great because I have no idea. Thanks in advance.

 
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Old Sep 17, 2002 | 05:00 AM
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No suggestions at all?
 
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Old Sep 17, 2002 | 05:07 AM
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well you werent real specific on what you wanted. your banshee will probably benefit from lengthened a arms, swingarm, and rear axle.

as far as performance, the first thing i do to a 2 stroke is get a pipe, jet it, get a new air filter, bigger carb, and go from there. it all depends on one thing, how much money to you want to spend? because that will determine how fast you go.

of course you may need to change the sprockets to get the most out of the shee with the street tires
 
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Old Sep 17, 2002 | 01:47 PM
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<< No suggestions at all? >>



it's not that, were just all very jealous, i'd love to roll up to a liquire store for a 6 pack on my Raptor
 
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Old Sep 17, 2002 | 02:04 PM
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My suggestion is that since you will be driving it on the street, I would build the motor for &quot;reliability&quot; instead of speed. Plus, motor mods will make your motor more thristy, so you may consider fuel economy and also stick with 92-93 octane pump fuel. I can't imagine there are too many service station that sell race gas or alky. (= Instead, change the gearing suitable for the street and maybe get pipes that will compliment the gearing.
 
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Old Sep 17, 2002 | 04:40 PM
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Dextreme, I agree that I really need a reliable motor for street use. 98 octane is a normal pump gas here in Europe. Is it possible for me to run a higher compression without losing too much reliability? Also, what pipe would be best for street use? Is was thinking of the Toomeys, the DMC or the Pro Circuit system. What do you think that would be best? Thanks in advance.
 
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Old Sep 17, 2002 | 06:07 PM
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Just get the head ported and polished and buy u some new pipes and u should have a 60+ rwhp banshee.
 
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Old Sep 17, 2002 | 09:10 PM
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I'd sugest geting a powervalve cylinder &amp; low to mid range pipes. You'll need bottom end on the street more than you think.
 
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Old Sep 17, 2002 | 09:28 PM
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Well, the only problem i can see is a solid rear axle, gonna make turning kinda difficult and tires not last long, atleast thats my guess. Pretty much a banshee is very very similar to my RD350, same engine cept mines air cooled. I wouldn't worry about making it to much faster, pipes and filter should probably be enough. My bikes stock 0-60 rating is 5 seconds and without pipes (it has absolutely no expansion chambers) and it only has around 30 hp stock. Top speed of 115 but no way in heck you would want to take the banshee that fast, I dont even want to take the bike that fast. Way to light and what if the engine siezes. If you want a good idea on how to gear it look up the RD or RZ 350s gearing. Gas mileage on the RD is like 35-50, depending on how you drive. Pretty much theres not that much to it just have to get over the solid rear axle and the bad instability at high speed. Gonna **** alot of sports cars off in a straight line though.

Hey I forgot to mention, you have to think about the fact that although making the rear end wider would make you more stable, it would magnify the speed diference between the rear wheels and probably make you even less stable. I forsee the rear axle as being a pretty bad problem to your handling.
 
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