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Good luck with that. I have seen them go $200-$300.

I would go with what sean01 has advised, quote "92 is perfect and 96 is border line too big" Jet kits usually have a few sizes included so you can see what works best for you. DHZ have them for sale. I would provide a link but I'm on my slow ass iPhone.

That's right. I think the kits are around the $30 mark?

As I said you will need a smaller jet kit if looking to purchase. Thanks for the jet size though, I will let the fellas know how low to start from.

I will have to ask the question. Both were installed straight from the box so the standard jet that was supplied if that helps.

We have a couple of fellas running the oko flatslide on their 125's. Both have dramas with them being far too rich. When the engines are cold they are shocking but once warmed up they are acceptable. Both bikes still run far too rich and any fast throttle movements results in heavy bogging. If...

Someone must have a suggestion?

Please help :-( I recently purchased a 125cc chinese semi-automatic atv w/reverse for my dayghters birthday. The shop has a one year warranty but wont do anything because they cant replicate the noise. Here is the situation. The quad starts and runs great, once she has been riding for about 30...

On new bikes it doesn't take long for the inlet valve to zero out. I have a feeling this may be it as it will cause hard starting and backfiring through the carb.

Just reading over your post again. Why did You replace the stator? Is it the exact same as the original?

The engine is showing symptoms of firing when the inlet valve is slightly open thus pushing unburn fuel back throught the carb or a bad cdi which is giving out irrigular spark pulses and causing the engine to fire at the incorrect part of the stroke cycle. Can be caused from a zeroed inlet...

Me too please ;)

wtf is demonoid?!

Im using 17 front and a 37 rear for all round, running 10 inch rims and lifan 140 in my 50. To say the least it hauls! This setup wouldn't be real flash on a 125 as the accelaration would suffer. On a 125 I would stick with a 16 front and 37-39 rear

Heading out the wipstick. You'll love the track, we'll be building up more burms and jumps and taking a load of old car tyres to set around. It's gonna look mad. Jess is taking his new lifan 150 out too. I hope my 140 can take him!

Hurry up and get that bike together n1ck! Were heading out on Sat. You can see my new 140 rip.

Replace your cdi first as i said to Shockerinc. if the problem is still there and you are sure of your valve adjustments, i would check the inlet manifold gasket and make sure there is no air leaks.

I would say cdi. Has the bike been ridden in the wet at all? Even pressure washing these bikes can stuff the cdi's in these things. I had the exact symptoms your bike is showing and after 2 top end rebuilds i was having the same issue. So i thought down the electrical road, changed the cdi and i...

Are you sure? The engines are both N1234. I would have thought as the 140 has the same style head the sprocket would be the same size?

Hey guys, I bought a second hand lifan 140cc engine which didnt come with a cam sprocket cover. The cam sprocket itself looks really small? The one on my genuine thumpstar pro is alot bigger, yet they both have the large sprocket cover? Check these pics and tell me what ya think? Have they...