Kimjon

Kimjon's not as cool or epic as Muncie's off-road goped Bigfoot scooter thingy

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Solved the mystery...coil, coil, coil...mother fucking brand new coil was a dud!

It had me fucked as it (the God dam fucking coil) was a new part, so I was thinking it must be fuel related hesitation...but once my logic circle came full circle, I tried another coil out of desperation...bingo!!!! No more flat spot in the mid range.

Now time to ride this thing like I stole it!

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This thing is a torque monster! It's not even hitting power band on my driveway (not enough room), just as it's about to scream... I'm thinking about needing to stop! With more room, power band kicks in and front end feels light as it tries to lift.

Flat spot all gone. Could improve tune a little, but pretty much good to go.

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I took it for a big ride today. It went well, but you soon find yourself at the rev limit. I have an 80 tooth (from memory) sprocket on the rear, which is awesome for gravel roads and hills...but I could easy go to a 68 tooth for road use t get more speed.

Anyway, it was fun. But I did notice a vibration...on closer inspection, the tyres are falling apart. They're just sack trolley tyres, not proper goped tyres. So the question has to be asked: "what do you do with shitty tyres" ... hmmmm???

 

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I just read this whole thread today. 

Top work.  Good read.  Would read again. 

Awesome work mate.  Such a rad machine with such detail and work to make a 50cc go hard for what it is.

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On 11/05/2018 at 21:05, Truenotch said:

Makes me want to do something with this hoard: 

scooter.jpg.3170fb5cb4ac0e7ec99d56d90520561e.jpg

Do it! Direct drive spindle, would be super easy to do.

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Version V1.0 chain roller shredded itself. Actually it was still functional...but well flogged out.

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It was quite a hard rubber...but not hard enough.

The initial idea was sound, so i reused this solution, but changed materials...with a much harder composition.

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Ebay to the rescue again. $2.90 delivered to my door rural delivery included.  Versus paying $10, plus another $10 delivery on trademe ($20 total).

It's holding up really well after riding it around all morning. Success!

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