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Build me a desert racer


3TV

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I looked in the XC/Hare Scrambles forum, and there is nothing there. Besides, the forum isn't even spelled right, and I thought I would post this here instead.

 

I have been desert racing a DS650 in the USRA points series (currently #4 in points), and just bought a Banshee "for the dunes". But after taking the Banshee out on a desert race course, and falling in love with the high revving power, I want to desert race the Banshee.

 

What do the pros recommend for setting up a Banshee desert racer? I'm thinking about a Trinity Pro MX/TT engine package (link) along with a set of Ohlins shocks, holeshot tires, and a 4 gallon IMS gas tank. Anyone have a better way to set up a desert Banshee for $4000 or less? Lets hear your ideas.

 

3TV

Edited by 3TV
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I looked in the XC/Hair Scrambles forum, and there is nothing there, and the forum isn't even spelled right, so I thought I would post this here instead. 

 

I have been desert racing a DS650 in the USRA points series (currently #4 in points), and just bought a Banshee "for the dunes".  But after taking the Banshee out on a desert race course, and falling in love with the high revving power, I want to desert race the Banshee.

 

What do the pros recommend for setting up a Banshee desert racer?  I'm thinking about a Trinity Pro MX/TT engine package, along with a set of Ohlins shocks and holeshot tires.  Anyone have a better way to set up a desert Banshee for $4000 or less?  Lets hear your ideas.

 

3TV

398921[/snapback]

 

 

Yeah, avoid Trinity for starters. Try a set of Elkas or PEPs, best bang for the buck. Get a nice mid to top end port and ride fast. When it's time to step up, see if you can get ahold of a Sundahl frame, or a 250r based Banshee frame. Long travel front ends are " said" to not work well with the Banshee frame.

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Is this the Sundahl frame you are talking about?

 

LINK

 

Any other links to Sundahl racing frames?

 

3TV

399007[/snapback]

 

yeah that is a sundahl frame. he didnt make too many of them I believe. heres an interview with him, shows off his bike a little, http://www.off-road.com/atv/Sundahl.htm . if you could get one of those frames you would be one happy camper. for now get some nice suspension, you want a smooth ride. +2+1 a-arms, shocks, -2 swinger, rebuilt rear shock, +2 axle, anti-vibe steering stem, steering stabilizer. and some engine mods. a nice dune port, some high rev pipes, bigger carbs, pro flow filter. and get some new tires like you said, but a 5 gal tank. that's how I would set one up for desert racing.

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The races this year have ranged from 36 to 57 miles between gas stops, and that is pretty much typical for this series. Five gallons of gas is a whole lot of weight if you don't need it. So how many miles will a Banshee go on just 4 gallons of gas, at race RPM? If I need 5 gallons I'll get the bigger tank, but would really prefer less weight if I can get away with it.

 

And I don't understand the -2 swingarm recommendation. Wont that decrease straight line stability, and make the rear tires hook up better coming out of turns, thereby increasing wheelies? I like the two stroke dirt bike type power of my Banshee, and how easily it slides the rear out in turns. At first I thought the steering stops restricted steering more than on my DS650, until I discovered that I was just way more sideways in turns, and hitting the steering stops because of that. A bit less wheel spin might help some there, but I would not want to loose the two stroke feel it has right now, by getting too much hook up. Better tires will also improve hookup all on their own. I also really like the way the Banshee carries the front end over trail obstacles, and in whoops, with a standard length swingarm. Are people really running a -2 swingarm for desert? It just seems counter-productive to me, although I'm willing to learn from the pro's.

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ok i wasnt too sure about the -2 swinger. about the 5 gal tank, you should get at least 60 miles with it. its better to have it incase u get stuck out in the desert. the 4 gallon tank holds only .8 more gallons than the stock tank, I dont think that would help out much in a desert race.

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how many licks does it take to get to the center of a .......

 

 

anyways, it depends on how your bike is built, my uncle has a stock tank with 2:1 Carb and trinity moto-x porting and I have stock porting with stock carbs and five gallon tank and run out before he does??? also riding style plays part as well.

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Desert Racing.

 

good mid-high port job with a set of T5's

long travel front end a must for high speed desert

+2 swinger with long travel linkage

skid plates a must

oversize fuel tank a must

oversize radiator is a good idea

Noss-type head for compression and coolant flow

Beadlocks and tires

stainless brake lines

 

First thing I'd do is get the front suspension and a rear shock, along with the portwork and pipes. Then, gear up and that'll get you rolling soft and fast. Then as you can, add in the other pieces. There's a million other things, but that's a good general start.

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sredish has a great list going. a few odds and ends id add are

 

billet waterpump impeller

i dunno if you guys race at night or not, but if you do some new head lights are must. the stock lights arent what id wanna be running through the dez with at midnight.

and a camelbak, you gotta keep cool too!

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Desert Racing.

 

good mid-high port job with a set of T5's

long travel front end a must for high speed desert

+2 swinger with long travel linkage

skid plates a must

oversize fuel tank a must

oversize radiator is a good idea

Noss-type head for compression and coolant flow

Beadlocks and tires

stainless brake lines

 

First thing I'd do is get the front suspension and a rear shock, along with the portwork and pipes.

Edited by chipdog
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