8 replies to this topic

[joshw]

So I'm bored and thought my obsession with small vehicles might interest some of you.

A couple of months ago I was browsing gumtree and stumbled across this, it's 1998 jincheng/ easy rider m50 basically it's a Chinese copy of a Honda monkey bike, I've wanted one for ages and it was local so I had to have it. I gave it a once over and then chucked it in the boot of my car


I got home and sorted out tax and insurance and then immediately took it out for a spin, it only goes about 30-35mph flat out but it's the most fun I've ever had on the roads, dare I say it's more fun then my mini ever was. The amount of looks I get while riding it are astonishing, I thought people stared at my mini when I went past but with this thing everyone turns around to gawp at you.





I carried on bombing around on it for about 400 trouble free miles till one day:

The chain snapped going down hill at about 45mph and locked the rear wheel for a brief second, after a long walk home and a change of pants I went and got a new chain which was quite a hassle as barely anyone stocks 420 pitch chains.

More to come when I get a chance,
Thanks for looking Josh

[megamini_jb]

So cool! I want

[joshw]

So after nearly killing me I decided I needed better brakes the bike had drum brakes front and rear. While the rear drum could lock the back wheel nicely the front was terrible so I ordered a new front forks that were fitted with disc brakes


While the front wheel was off I also decided to rub down the surface rust on the wheel and spray it Matt black



I also decided to buy a smaller seat grab bar, cnc handle bar risers, renthal handlebar and a quick action throttle to fully unleash the massive 3bhp it might have. I also decided to change the controls into a all in one unit which was a pain in the arse to wire in.



With the disc brake on the front the bike could actually stop which was reassuring. I carried on cruising around on it for about a month with odd coloured wheels till:


I got a puncture in the rear tyre.

[mini_matt_106]

So cool!!
What sort of price do these things go for?

[DomCr250]

Next time you need a chain look on eBay ...loads of 420 chains from about a tenner ...lush looking bike, are you tempted by a bigger engine swap or are you going to keep it standard and reliable?

[joshw]

So cool!!
What sort of price do these things go for?

  
Thanks, second hand Chinese ones go for 300+, brand new Chinese 800-1000 depending on cc. For the real deal (Honda) your looking at a lot more

Next time you need a chain look on eBay ...loads of 420 chains from about a tenner ...lush looking bike, are you tempted by a bigger engine swap or are you going to keep it standard and reliable?

I couldn't wait for one to be delivered so I went to about 4 bike shops in the end. I've been looking into another engine for it as its not really that safe at 30, I'd be happy if I could get 50 out of it. The only problem is this is quite an old bike so it's running 6v electrics so if I get a new engine I need a 12v loom and lights etc

[joshw]

So after sitting in a sainsbury car park for an hour I had the he perfect excuse to place a new order with Ooracing. One new tyre, inner tube and some heavy duty foot rests and sliders as my foot rest was bent. I also got a new cnc side stand but the new footrest is bigger than the previous meaning that the bike topples over with the new stand, it would work if I went to 10inch wheels but I like the look of 8" wheels. With the rear wheel having to come off I finally got around to paint the rear wheel matt black aswell




And all back together and as the bike currently stands for now

[DomCr250]

 

So cool!!
What sort of price do these things go for?

  
Thanks, second hand Chinese ones go for 300+, brand new Chinese 800-1000 depending on cc. For the real deal (Honda) your looking at a lot more

Next time you need a chain look on eBay ...loads of 420 chains from about a tenner ...lush looking bike, are you tempted by a bigger engine swap or are you going to keep it standard and reliable?

I couldn't wait for one to be delivered so I went to about 4 bike shops in the end. I've been looking into another engine for it as its not really that safe at 30, I'd be happy if I could get 50 out of it. The only problem is this is quite an old bike so it's running 6v electrics so if I get a new engine I need a 12v loom and lights etc

 

You should be able to swap over the stator and it will work still on 6v?  Other thing to look at is a bigger barrel, head and carb - these engines are copies of the older Honda 50's .. the trick with these was to swap the piston, barrel, head, cam and carb of a 70cc engine as the strokes were the same ...may be worth a look?

Edited by DomCr250, 30 June 2016 - 12:46 PM.

[joshw]

Hi Dom, the electrics on the bike are tired so I might aswell just get a new loom and lights if I get a new engine and thanks for the info on the 70cc kit. The main problem is I want to eventually get a manual gearbox in it as it's currently semi auto and for the price of a big bore kit and the machining and manual parts I might aswell just get a 125-140 for it.
Thanks Josh