How fast does your mini dirt bike go?

[SEDUCE]

hey guys i got 80kph out of my wifes atomic avenger today next to our car not bad for a stock bike going to change sprocket now

 

[geezus18]

i didnt know you could get a stock avenger up tp 80 km/h. ive recently put a new 37 tooth sprocket on and its added heaps of length to the gears (if that makes sense) and increased the top speed. It would be good to know how fast my top speed actually is.

 

[illusivedreams]

Take it easy guys.
This bikes are not designed to be doing 80km/h

I do silly things all the time although falling off a Pitty hirts as much as falling off a big bike esp at 100clicks an hours.

Take it easy please..Sorry to sound like a dad....


OOO yeah have fun

 

[Max99]

Sorry to sound like a dad...

Better than sounding like the Demtel guy.....

 

[tysons_201]

Seduce, what is the stock ratio of your bike? I had 14:37 id say yours would have to be something similar to get the same top speed.

 

[SEDUCE]

16/48 sprockets

 

[tysons_201]

I didnt think that ratio would pull that fast. Must have been revin pretty hard!
Maybe the actual gear ratio's in the gearbox are a bit different in the ducars compared to the lifans. Does anyone know the 4th gear ratios for each motor??

 

[tysons_201]

Just found the ratios for the Lifan 1P52FMI-K:
3.182/1.706/1.238/0.916
Still searching for ducar ratios

 

[FLICK]

Still searching for ducar ratios

Elstar have a password protected Ducar(110) manual on their site, maybe illusivedreams could have a look and see if it contains the primary drive ratio and gear ratios.... http://www.elstars.com.au/manuals.php

Ducars max out at about 70km/h on 14/37 sprockets with a 12" wheel.

60km/h is comfortable, 70km/h is screaming (but not hitting the rev limiter).

 

[SEDUCE]

mate she was peak reving i can take a photo if u want of me next to car and the speedo if u dont believe me

 

[FLICK]

if u dont believe me

I wasn't disputing what you said... I was just stating what I've found...

 

[tysons_201]

Ok well i got my sprocket today only to find that it does not fit as the hole is too small. i was going to file it out but i checked if the chain sat on the sprocket and it didnt as the teeth were spaced too much.
Anyone know where i can get a 17t sprocket to fit a mso bike?

 

[Mack]

That sounds wierd. Is the sprocket sposed to be 428?

 

[noidea]

ebayebayebayebay

 

[tysons_201]

was not off ebay it was from carter race engines and i asked if the sprocket would suit my lifan engine and he said yes. There is no info on the sprocket on their website it just says 17t sprocket.

 

[noidea]

i meant you will be able to find one on ebay.

 

[Mack]

It may be the correct tooth spacing, just your stretched chain that wont fit. Dude, I've just been sussing your chain and sprocket problems on your other thread...better get it sorted before you try for the 'mini land speed record'. If that chain lets go doin' 100ks your gonna make a mess of more than your engine cases!

 

[tysons_201]

LOL yeah. i got the chain about right now with only a small tight spot but the thing is with the chain tensioned to the recommended specs it keeps rattling against the swingarm.

 

[Mack]

I fitted a longer chain guard which wraps around top and bottom the first week I had mine and haven't touched the chain since. Larger sprockets will help too.

 

[tysons_201]

can you show me a pic of what you mean by longer chain guard?