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| Custom "Chinese" 50 ITS ALIVE |
Ok all this is a new project from a contributor here in lil' ol' New Zealand a ground up very fast 4T scooter build. We will try and keep you all up to date with the project... Code Named "Milf Hunter" (the builders name, not ours so don't give us a bunch of crap about the name.)
I started by ripping the engine right down for a blue print and full rebuild with new (non chinese) parts. I dremmeled out all the machining marks in the engine case and ground all the oil tracks to the honda GY6 spec cleaned it all up so it was all nice and tidy.
I still need to make up the loom for the scooter but i have already got a racing CDi and racing coil for a Yamaha scooter, a new Trailtech vapour will be hard wired into the loom with an RPM guage and engine temp, also got a digital rectifier from KOSO to help with getting the right voltage through the system as the chinese ones tend to suck, tail light to be fitted is from an 07 ZX-6R, have yet to decide what to do for the front (suggestions welcome. ED).
Latest additions. Put together the gear box, and if anyone is interested the set up is naraku high speed variator with 6.3gr weights, 1000rpm contra spring, RMS racing clutch with weener springs set to 2500rpm, stage 6 winged racing clutch bell and all connected with a malossi kevlar belt. Â Â
Update to the build. I have been working on the wiring which is complete for all the engine components only lights to be done. I have fitted the carb on the best angle with the adapter plate so the fuel can feed into the carb freely, and have started it. It seems to run fine but with no gasket between the adapter and head I suspect an air leak is making the revs fluctuate, which is not a worrying as i need to dremmel out the adapter to port match the intake.
I welcome you to the completed (well it may get extra parts later) Milfhunter.
Now when i went to register it down at the local vinz they said i couldnt call it the milfhunter as it would be offensive to some people. so instead i had to settle for name #2, which is Frankinscooter, as thats probably what it looks like.
Comments
(8)
 written by joa , August 19, 2009
I am impressed. I am working on a scooter designed form the ground up. I've TIG welded an aluminum frame and plan to add only the best parts to this. We are working with the design now, and we've made moulds so we can use carbon fiber insted of plastic. We are making two scooters. They are almost identical. The other one has a stainless steel frame.
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We are going to fit them with a 300ccm engine from Honda. report abuse
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 written by sid maley , July 24, 2009
that is the coolest 50cc mod i have ever seen. i would love to talk to you about other custom mods. please get a hold of me.
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 written by Daniel , June 09, 2009
It all really depends on 2stroke vs 4 stroke, as a 90cc 4 stroke would probably have the same output as a 70cc 2 stroke. however on the racing side there has yet to be a 4stroke compete, so we will see how mine goes. with the 125cc's i would say they are in the same class as the 180cc's.
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If you are looking at a larger scooter get the 125cc (make sure its shortcase as its smaller, better handling and lighter) if its a gy6 engine it will fit a 180cc big bore kit. report abuse
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 written by GW , May 20, 2009
Daniel: thanks for a good reply.
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I read about some moped racing where the rules allowed 50cc liquid cooled engine or 70cc air cooled engine. Where the more serious teams have mopeds that basically look like light road racing bikes. But I guess the ruleset simply depends on who arranges the race. It however almost seem pointless to have one class for up to 100cc and one for up to 125cc. Or does those last 25cc make enough difference to have two separate classes? I'm thinking of getting a 125 scooter. If it would be to slow, are there any tuning that makes sense / is worth it ? Would perhaps a small compressor / turbo make sense, or would it be to complicated or expensive to be worth it? When will it come an update to your project ? report abuse
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written by Daniel (the builder) , May 14, 2009
I had looked at getting a 125 and modifying but there was a few things that put me off. firstly the 125cc and up are very heavy usually over 100kgs, and there wheel base is longer which i find them to a bit whale'ish to ride compares to the 50's. also the main reason is that there is a huge range of spares and modification options for the 50cc's, and for some strange reason alot of tuner's have managed to get larger increases in power out there 50's compared to the 125's.
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In racing the thing in NZ there isn't really any classes specific for 50cc's and even overseas most classes are usually classed as under 100cc as most 50cc racing scooters are modified 2strokes running 65-70cc big bore kits. Plus this scooter of mine even though highly modified it wont be compeditive against for example a race tuned suzuki streetmagic. report abuse
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written by GW , May 11, 2009
This may be a dumb question, but what are the advantage of your scooter compared to other light bike scooters? (Scooters of 51 - 125cc, typically 100 - 124cc) ?
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If you would do some organized competing with it you most likely would go up against 125 bikes/scooters since you exceeded the 50cc limit. It most likely will not be street legal any more either, at least not as a moped. Probably still a fun project though. report abuse
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| Last Updated ( Thursday, 24 September 2009 22:40 ) |
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im working on a project peugot v-click 4t tuning with GY-6 motor
my setup 80ccm + malossi multivar + 24 racing Carburettor - bgm pro and it's alive too ;) prety much alive
but there is a problem
my supercharged cdi bgm pro is giving me a headache it's not working... only the fuse will burnout it should add over 8000 rpm but nothing... can anyone help me?