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t-rex 72mm bore 440cc it


blanco25

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well as long as you are happy with what ya got. But post some pics of your bike when its done and let us know how it runs. What is all going to be done to it again? Stock stroke 72mm bore with drag porting?????? what tranny are ya goin to run? clutch? you gonna run a lock out? I am curious......let me know.

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im going to have to update my membership to post pictures it stats. so give me a few days. it has fmf fatty pipes with powercore 2 silencers. pro design k&n fliter and outerware. got two 36mm flat side carbs, moose boost bottle, bought the advance timing key, the t-rex kit ported and polished by racers edge with the 72mm pistons and they had to bore the case to 80mm, the stroke is i believe 54 with the 72 mm bore to make it a 439.7... dan stated when he ports and polishes it should about 15hp. and they said they would rejet it. total cost 3300. but that also included a DG pipe and rejet of my other bike: 2006 yfz450.. i have stock plastics on the banshee it also is a 2006. this was what i was told that would work from the dealership. the only reason i got a hold of team raceers edge was because they were the only ones that had the trex in stock that would work. everywhere else it was on back order for at least 2 weeks.

 

 

as far as clutch and tranny i was just going to leave it alone. nobody told me i needed to do anything else. so what else should i get just remember im not drag racing just dune riding. :beer:

 

but now from experience with stealerships i will never take my bike back there. also give me a run down f what you have on your bike

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well the only thing i would be worried about is your crank and the clutch. You should split the cases and get the crank welded, and while you got it apart you should call Jeff at FAST racing and order is clutch kit your stock one won't hold up long. Um you ought to mod your shift star for ease of shifting and another thing you will need is a longer swingarm for sure, unless you reallllly like riding wheelies.

 

My bike's lower end isn't nothing much over stock either, Its got a 4mill stoker crank trued and welded, EBC kevlar clutch(I bought it before I knew about Jeff), modded shift star. timing advanced 7 degrees. then up top its just 68.5mm bore with 58mm stroke to make it a 427cc. with the ports just matched to the stroke not really drag ported. its got 12cc domes with a squish clearance of 40 thousands and it's on alcohol. and i run rocket pipes with a +6 swingarm and 35mm airstrikers. I think thats pretty much it.

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whats the ticket on all of that stuff?

 

ah shit i have lost track but i am pretty sure it is under 3300. see when i bought the bike it had the trex cylinders on it and sst pipes thats it. everything else i have bought. here is what it looked like a few months after i bought it, i had already painted the frame and a-arms and bought the grill and headlight covers.

05-10-2006105146pm2.jpg

anyways i paid 4200 for it without that little stuff and i have probably close to 3000, maybe. not 100% sure.

 

here are some pictures of it from just last week.

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2006Banshee014.jpg

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2006Banshee032.jpg

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