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Banshee250R
Moderator
Joined: 08 Jul 2006
Posts: 1101
Location: Newcastle. NSW
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 Posted: Sat Jun 09, 2007 9:59 pm Post subject: ATC500R????? |
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hi guys are there currently any atc250r trikes with 500 motors in australia that you know of???
how would one go againt a modded banshee, say 421cc??
luke
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Doin skids for the kids and doughnuts for the grown-ups
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Sponsor
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PC
Joined: 20 Dec 2006
Posts: 565
Location: Newcastle
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| Posted: Sat Jun 09, 2007 10:26 pm Post subject: |
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Ash has had a couple of them.
He said they were crap cause thay vibrate too much........Now I thought he would be into that, but guess I was wrong. |
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Banshee250R
Moderator
Joined: 08 Jul 2006
Posts: 1101
Location: Newcastle. NSW
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| Posted: Sat Jun 09, 2007 11:26 pm Post subject: |
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ash had a couple of them???
looks like i will have to have a chat with ash 
cheers
luke
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Doin skids for the kids and doughnuts for the grown-ups
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Aussieduner
Moderator
Joined: 05 Sep 2006
Posts: 1458
Location: New South Wales
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| Posted: Mon Jun 11, 2007 12:22 pm Post subject: |
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Every ATC500 i saw on the drag strip at Trike Fest was VERY quick,im intending to build one with my spare frame just need to find a donk.
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Banshee250R
Moderator
Joined: 08 Jul 2006
Posts: 1101
Location: Newcastle. NSW
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| Posted: Mon Jun 11, 2007 2:01 pm Post subject: |
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ive been looking everywhere for a motor and i cant find one
i could pick one up of evilbay usa complete for around 500 bucks
the only motors i can get out here close to a 500 is a 480
oh well keep looking
luke
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Doin skids for the kids and doughnuts for the grown-ups
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HUGE
Roostin Away
Joined: 10 Sep 2006
Posts: 625
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| Posted: Mon Jun 11, 2007 6:51 pm Post subject: |
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Back in the early 90s when living in VIC I rode this guys trike --- I didn’t know what model frame it was but he had fitted a Yamaha IT490 I think or could have been a 465 
That thing went like there was no tomorrow 
Being a larger guy I could keep the front down and wind the thing out (loved it)
It wasn’t the easiest thing to stop at speed (found out the hard way a couple of times) 
I am in the market now for a cheep roller to build a similar project (cant wait)
thanks daniel
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THE BIGGER YOU ARE THE HARDER YOU FALL |
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ashnery
Moderator
Joined: 03 Jul 2006
Posts: 927
Location: www.dn.eng.com.au
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| Posted: Thu Jun 14, 2007 6:36 am Post subject: |
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Honestly save your time and money I have put 2 it490 motors in watercooled frames absolute "profanity removed" ..those dam things vibrate your teeth out
and not very fast a good ported 250r will out drag it.
And as for a cr500 I have done 3 or even four of those conversons .same again a good 250r with a 350 pv cylinder will beat you in a drag and not vibrate to hell.
If you can pick up a cr 500 motor for $1000 I would put one in but you will sell it..lol
i even put vibration mounts on the motor and it still vibrated my fillings out
If your running cr500 alky with all the "profanity removed" your max out put will be around 75 hp (and that will take you 3 years to get that much)
a good 350 pv motor running petrol will make you around 60 -65 hp
and not to mention the gearbox is set up for a motorcross bike not a trike
I have done 1 cr500 84 motor air cooled and boy that thing was fast but you didnt want to ride it...lol that was in an old 84 model 250r frame
but never the less it was fun
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OH "profanity removed" I SAID "profanity removed".......OH "profanity removed" I SAID "profanity removed" |
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BC250R
Joined: 23 Jan 2007
Posts: 375
Location: Stockton Dunes if i'm lucky
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| Posted: Thu Jun 14, 2007 9:45 am Post subject: |
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Hey Ash,
How come these engines all vibrate in the trike frames yet its not a problem in their bike frames?
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Technical info thread
http://www.ozatv.com/forum/viewtopic.php?t=4425 |
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ashnery
Moderator
Joined: 03 Jul 2006
Posts: 927
Location: www.dn.eng.com.au
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| Posted: Thu Jun 14, 2007 12:29 pm Post subject: |
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Its all to do with the counterbalancer .
And on the cr 500 cant put my finger on it but it has to do with vibration waves being able to escape alot eaisier in a bike being less contact to the ground and taller I even put the vibration mounts of a cr500 (head stock) it that didnt even help,Just let me say that it is very bareable but long rides you fingures and hands tingle
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OH "profanity removed" I SAID "profanity removed".......OH "profanity removed" I SAID "profanity removed" |
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greenhuman
Roostin Away
Joined: 12 Feb 2006
Posts: 980
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| Posted: Thu Jun 14, 2007 12:33 pm Post subject: |
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| Its all to do with harmonics. I did the first big engine conversion back in '83. It was a CR450 motor and vibration was a big issue. Vibrated my rear brakes apart one race and I ended up in a tyre wall and 6 weeks on crutches. Even the 250 moto-x engines shake. I was sitting at a start line next to a bloke with an RM250 engine in his quad, he gave it rev and his handlebar cross bar and pad fell on the ground. The ends of his bars were just a blur. |
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Banshee250R
Moderator
Joined: 08 Jul 2006
Posts: 1101
Location: Newcastle. NSW
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| Posted: Thu Jun 14, 2007 12:36 pm Post subject: |
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well you could always rubber mount the engine with just a rubber washer on each mounting point of the motor
it could work
luke
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Doin skids for the kids and doughnuts for the grown-ups
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ATV-PETER
90cc 2 stroke / 110 4 stroke
Joined: 17 Jan 2007
Posts: 50
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| Posted: Thu Jun 21, 2007 8:00 pm Post subject: |
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how abouy four strokes? could you put forks and rear suspension off say atc 250r/ 350x onto xl600????????? anyone know or transplant/ graft motor out of bike into trike.........hmm would that make it a tike or a brike? 
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HAD heaps of trikes, back to just one now
Interests: anything with dirt tyres, restoring old bikes and cars. |
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SIKMIC
Moderator
Joined: 29 Jun 2006
Posts: 1112
Location: Moranbah Qld
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Banshee250R
Moderator
Joined: 08 Jul 2006
Posts: 1101
Location: Newcastle. NSW
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| Posted: Fri Jun 22, 2007 7:54 pm Post subject: |
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yeh mic heres the build up of it
tri-z with a yz450f motor
http://www.3wheelerworldforums.com/showthread.php?t=63115
luke
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Doin skids for the kids and doughnuts for the grown-ups
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ATV-PETER
90cc 2 stroke / 110 4 stroke
Joined: 17 Jan 2007
Posts: 50
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| Posted: Fri Jun 22, 2007 8:38 pm Post subject: |
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yes, Yes, YES, YES!. that's zacary what I meant. Only improvement needed is to do it with Honda bits instead of those inferior brand bits. Just kidding, my road toy's a yammy. 
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HAD heaps of trikes, back to just one now
Interests: anything with dirt tyres, restoring old bikes and cars. |
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