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Old 02-22-2020, 09:54 AM
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Default Help identifying please

I am new to this forum, but just picked up a frame cheap, but it has no identifying mark's anywhere. It looks too well done and polished to be a home built, but I would like to use it as my starting point for a 1999 GSXR 750 swap. I had previously started a frame for the GSXR, but decided I wanted a bigger frame with 2 seats. Any help identifying would be appreciated. [IMG][/IMG]

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Old 02-22-2020, 10:20 AM
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I was gonna say some kind of Chinese mini buggy, but the second pic disproves that.

Maybe a custom built dune buggy??
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Old 02-22-2020, 01:06 PM
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I don't think it's custom because it has the monster energy stuff. But I am no expert.
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Old 02-22-2020, 08:11 PM
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Stickers are cheap.
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Old 02-22-2020, 08:15 PM
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oh ok
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Old 02-22-2020, 08:52 PM
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trailing arms remind me a bit of the ones on a Polaris..
or well.. dozens of VW Based dune buggies and sand rails
(that to me looks like a VW hub that was welded in)

It might be professionally made at least in parts.
but it's unlikely a mass product.
More likely a Kit car if not entirely homemade

I'd not recommend a GSXR 750 as your engine tbh..
it has comparatively low torque down low.. and in order to get that heavy beast of a buggy moving you need roundabout 11k rpm
lower rpms and that engine just doesn't have enough torque
Nice on the bike tbh.. since you can drive it like a scooter in inner city traffic
(low power, low noise, low aggression) and switch to "rubber band" acceleration the second your wheel touches the freeway.
but on a lightweight bike... the torque is catastrophically lousy tbh
unless you really rev the living shirt out of that closet.

A lower revving maybe higher combustion volume engine would make a much nicer donor for a project like that..

I'd say you need to gear down by a factor of two at least to make that a feasible
poject engine for a buggy
and with that you still need to rev really high (again peak torque is at 11k rpm)
just to go relatively slow... that can get annoying pretty quickly I guess

'sid

PS Also you need a massive cooler, that engine loves to overheat when you're not at speed
and with the added mass and required rpms.. more cooling is a good idea.. especially in climates where a caged buggy isn't freezing the driver solid in three to four minutes

'sid
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Old 02-23-2020, 08:07 AM
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Throw a honda 4 cyl turbo they are cheap and reliable they can make plenty of power
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Old 02-23-2020, 10:34 PM
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Now.. yeah.. uhm

That trailing arm is clearly professionally made (in china btw )
by Klung Motors
here's the Klung trailing arm:
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They provide parts for 'home made' chassis as well as sell complete buggies

And with that I was able to find out that they sold a buggy named Joyner which had these..

and THAT again was sold in the US under the Roketa Brand
and goes by the name of Maverick 800
Click image for larger version

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I think that's a close enough geometry match
I mean look at that fancy curvy tube covering the upper rear coilover mount
Click image for larger version

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Quote:
Originally Posted by JTSpeedDemon View Post
I was gonna say some kind of Chinese mini buggy, but the second pic disproves that.

Maybe a custom built dune buggy??
And with that.. chinese buggy.. midi perhaps but I'd actually call it full size already
Suzuki car engine (jap microcar 800cc 3cyl, 60hp and 75Nm of torque... not bad not bad the same that's been in the georgeous Suzuki LJ80 back then)

'sid
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