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factoryx
50cc nipper
Joined: 28 Nov 2009
Posts: 2
Location: bend, oregon
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 Posted: Tue Dec 01, 2009 3:14 pm Post subject: |
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| any updates? this looks sick. |
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Sponsor
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Fri Dec 11, 2009 12:06 am Post subject: |
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Well not long to go now,im in the midd;e of putting the bottom end back together everything is milled bearings and shafts are all machined ready to go everything lines up an spins perfect all im waiting for now is the clutch cover to be faced off(milled flat)an im set heres a link to a video i made of it all spinning cheers
http://www.youtube.com/watch?v=dS_jT8TdHGE
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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660rSkinGraph
Blaster class
Joined: 23 Oct 2008
Posts: 108
Location: Perth, Western Australia
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| Posted: Fri Dec 11, 2009 12:54 am Post subject: |
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should put some engine noises to it lol
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660r cut sick |
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factoryx
50cc nipper
Joined: 28 Nov 2009
Posts: 2
Location: bend, oregon
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| Posted: Fri Dec 11, 2009 1:36 am Post subject: |
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| lol, x2 on the motor noises. Just the thought of a smooth running 500cc two stroke monster is sick. |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Fri Dec 11, 2009 3:08 pm Post subject: |
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| 660rSkinGraph wrote: | | should put some engine noises to it lol |
LOL well i actually made one before this one with me talkin about it but i only got half way through it because i was out in my shed at 11oclock last night on my own and was talkin to a camera an i felt like an absolute idiot lol so i just put the vid of it just to show how it works.
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Mon Jan 04, 2010 10:13 pm Post subject: |
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Few more up dates due to workin on my trikes i havent really done anything to the big girl.any way i got the bottom end back together clutch cover is doneall milled and machined.so i started workin on fittin the yfz swing arm heres just a few pics so far oh and im still in need of an axle its the earlier model swing arm with the sliding style carrier not the eccentric one cheers.
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Mon Jan 04, 2010 10:56 pm Post subject: |
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Interesting choice of swingarm to go with that rear shock a honda 450 one would suit the chassis a bit better with the linkage its got.
I have an 04 YFZ axle (its only a stock one though) send us a PM or call me on 0419 001 747 if you're interested.
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www.thumbpump.com
www.dirtcomp.com.au |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Tue Jan 05, 2010 6:55 pm Post subject: |
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yeh i was goin to use the honda swinger though the swing arm doesnt have the gap between the rear engine mount see i incorporated the cr's back engine mount where the swingarm wraps around the motor and just because the swinger i had and yeh lol. the only prob now is the shock is really long for that swinger where the mounts are so i may have to change the top shock mount dunno yet may also end up just usin a honda one
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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snowman336
50cc nipper
Joined: 05 Jan 2010
Posts: 1
Location: United States
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| Posted: Wed Feb 03, 2010 1:59 pm Post subject: |
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Greetings Mart, from the states!
I am also building a quad with a cr500 engine. The way you've solved some of the obstacles was brilliant. I hadnt thought of your kick starter design-excellent. just wondering if you had any updates to report. I will try to upload a pic or 2 of my yfz450/cr500 abomination soon. Thanks for the inspiration (there are so many nay-sayers about these builds) and keep up the good work.
Jeremy |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Sat Feb 06, 2010 9:29 am Post subject: |
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| snowman336 wrote: | Greetings Mart, from the states!
I am also building a quad with a cr500 engine. The way you've solved some of the obstacles was brilliant. I hadnt thought of your kick starter design-excellent. just wondering if you had any updates to report. I will try to upload a pic or 2 of my yfz450/cr500 abomination soon. Thanks for the inspiration (there are so many nay-sayers about these builds) and keep up the good work.
Jeremy |
Gday mate thanks for the comments.The kick start idea is a good one but i cant take credit for it i actually got the idea for that off a guy in the states that did an atc 500r.But i would also say it should be left in theory because no matter how strong i make the gears and different configurations it never holds up just to much force on them.AS for an update the balance system is that close its not funny just one little shaft has to be turned up an some holes tapped then its the big test fire lol oh god help us ill prob end up with a balance weight into my forehead lol.
Id also love to see some of your photos of your build
Mate i think every 1 is against these 500 builds and honestly they are mostly correct if this counter balancer doesnt stop vibrations i dont know what will.cheers
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Fri Feb 26, 2010 9:18 pm Post subject: |
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Well here she is fellas all shafts all bearings all everything is ready to go.
Im off to work tmoz to do a little mod of the frame for the engine to fit with the new casing.but other than thats its all go for the test fire im kinda scared lol.Just abig thanks for all the comments ive loved every bit of doing this engine and the good comments really do give me inspiration cheers.will deffinately keep you guys updated mart...
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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4stroker
Joined: 15 Jan 2007
Posts: 1420
Location: North Queensland
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| Posted: Mon Mar 01, 2010 4:00 pm Post subject: |
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mart is it alive yet??
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2002 SE Banshee |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Mon Mar 01, 2010 5:40 pm Post subject: |
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Nah stupid me instaed of just doing the motor and then putting it in the quad i already had it in and get the motor right, i thought it would be a good idea to change swing arms and shocks and god knows what else so now i have to finsh all that first.The motor is in the quad and if i hooked radiator and pipe etc up i could start it but i just moswell fin it all an not half arse it.Im kinda scared to start it waitin for somethin to fly out of it lol.
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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bullet
The Day Starts With OZATV !
Joined: 09 Sep 2006
Posts: 1518
Location: Middleton SA
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| Posted: Mon Mar 01, 2010 9:12 pm Post subject: |
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If it goes bang, i think over 90% of OZatv users will be crying with you.
Great build up story Marty.
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Can-Am X Team
Bullet #Y12. MrsB #Y18. |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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4stroker
Joined: 15 Jan 2007
Posts: 1420
Location: North Queensland
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| Posted: Thu Mar 18, 2010 8:36 am Post subject: |
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is it finished yet??!
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2002 SE Banshee |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Thu Mar 18, 2010 4:40 pm Post subject: |
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yeh ive had it runnin its in the quad im still tied up with all the frame an "profanity removed" gettin peices together.it still vibrates no where near as bad but yeh im gunna add some more weight the weight in it is 200grms a stock air cooled r runs about 700 grms but they arent a full circle crank wheel.so it needs more weight.where as the watercooled r's run half that and they are a full circle crank so im thinkin if i can get it up around the 500grm mark i should be pretty close also im goin to change my mounts and get rid of all the rubber and use thick alloy plate mounts because all the rubber is doin is amplifing the vibrations .if any of that makes any sense lol Also it all runs smooth no noises what so ever no weights flyin out across the yard lol all good there will be a video of it sometime soon just have to sort the weight out cheers.
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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stitch250R
4fiddy Racer
Joined: 30 Dec 2006
Posts: 260
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| Posted: Thu Mar 18, 2010 6:47 pm Post subject: |
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| nice one.. |
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HaggLE
Roostin Away
Joined: 16 Mar 2009
Posts: 511
Location: Newcastle
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| Posted: Fri Mar 19, 2010 5:43 am Post subject: |
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Make a "large" capacity laydown 2 stroke engine... CHECK
Add a counter balancer to an engine that doesn't have one... CHECK
Whats the next engineering challenge/feat?
Make rear kick engines forward kick...
Conversion kits to convert quads into trikes...
Kits to convert china minibikes into trikes...
CRF450R engines into china minibikes converted to a trike... |
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4stroker
Joined: 15 Jan 2007
Posts: 1420
Location: North Queensland
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| Posted: Fri Mar 19, 2010 7:28 am Post subject: |
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| Mart 300r wrote: | | yeh ive had it runnin its in the quad im still tied up with all the frame an "profanity removed" gettin peices together.it still vibrates no where near as bad but yeh im gunna add some more weight the weight in it is 200grms a stock air cooled r runs about 700 grms but they arent a full circle crank wheel.so it needs more weight.where as the watercooled r's run half that and they are a full circle crank so im thinkin if i can get it up around the 500grm mark i should be pretty close also im goin to change my mounts and get rid of all the rubber and use thick alloy plate mounts because all the rubber is doin is amplifing the vibrations .if any of that makes any sense lol Also it all runs smooth no noises what so ever no weights flyin out across the yard lol all good there will be a video of it sometime soon just have to sort the weight out cheers. |
i think you should aim to get a video of it idling with a 20 cent coin balancing on top.. that would be good marketing!! haha
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2002 SE Banshee |
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HaggLE
Roostin Away
Joined: 16 Mar 2009
Posts: 511
Location: Newcastle
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| Posted: Fri Mar 19, 2010 9:52 am Post subject: |
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| Better yet, a big free-rev and a 20 cent coin! |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Fri Mar 19, 2010 4:21 pm Post subject: |
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i had it runnin yesterday with a little contraption i built with a bottle hangin on some string around tha hangers and it was half full of water.and then started it .but the prob i have is this engine even without the balancer at idle it dont vibrate with the way i have the crank balanced.its all up top and because the pipe i have at moment doesnt seal properly its as loud as hell and i dont wanna annoy the neighbours.but i did give it some good revs with the balancer in and with the balancer out there is difference but still not enough tmoz will be diff story its off to work for me.changin all the mounts (no rubber what so ever)more weight on the balancer then will see how it goes i can rev the livin fu#k out of it at work an no 1 but the birds will here it lol cheers
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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dynamitediscodave
Roostin Away
Joined: 27 Aug 2009
Posts: 569
Location: arm chair in front of xbox
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| Posted: Sun Mar 21, 2010 2:09 pm Post subject: |
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| good luck |
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Mart 300r
Roostin Away
Joined: 02 Jun 2008
Posts: 944
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| Posted: Sun Mar 21, 2010 2:41 pm Post subject: |
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Well just got back from work changed all the mounts added more weight and reved the livin p#ss out of it.Good and bad news the vibes are actually worse at bottom revs with the balancer in but then at mid & high rpms with balancer in theres no vibes well very little.but low revs with no balancer its smoother than mid & high rpm's you seriously cant hold the handle bars lol and that aint exagerating so overall its fixed 80% of it and i dare say would be very rideable but ive come this far so i dont want to stop there i want it smooth so ive just ordered a standard crank from the states.As like i said my crank in it has been balanced and thrown the balance factor right out so its actually affecting the position of where the weight has to be.So its out with the donk again and split the cases once again and put this other crank in lol aaaahhhhhh dont we just love engines pppppffffffffftttttttttttttttt!!!!!!! Oh and you wanna know somethin really dumb i did i grabbed our video camera off the bench this mornin to take some video got over there and realised i grabbed our wrong video cam the one that dont work.Im not the brightest human lol
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1984 ATC 300R, 1986 TRX 500R,1984 ATC 200X, ATC 70 WITH CUSTOM LAYDOWN 250R ENGINE, 125CC CUSTOM THUMPSTER TRIKE |
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