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It could be the jetting and or roller weight, change jetting to suit the barrel and exhaust, there isn't a set size, you have to find it!
Answered on the other channel !!
The 125 gy6 engines are not restricted.
Be careful while undoing the main centre nut, get someone to hold it down on the floor or use a long threaded rod to stop it jumping off and...
Right!
Yes, the malossi crank will be great!
As i said , i've used the 55mm crank so the std 52mm crank will be fine.
I have used a 55mm "top racing " crank with no problem's. Buy a set of pocket digital scales off ebay for weighing rollers, I get sets of heavy...
Save some money and buy a crank and variator together, a pm tuning crank is good and so is a bgm, i would'nt be surprised if they were made by the...
Did you change the cylinder head? The ports on these are very poor so it may be self restricting. Put it back to a 125 if it was faster then!
Not one to pee on anyone's bonfire but, the transmission cover act's like a wide tunnel, it draw's air in at the front, cool's the variator then...
I think you mean the "skull cap" the black plastic or ally top cover, yes there the same 125/180. You will need a 180cc head or the malossi head...
As Stig say's, there's no paper gaskets at all on the engine except for the base gasket, when rebuilding use "locktight liquid gasket" or...
The question you should have asked was " who hasn't fitted a 172 kit" Yes, the 172 barrel will fit straight on, no the 125 head won't work on the 172.
The build quality is poor on a chinese, they are copies of other scooters, drive belt life is very poor, electrics are crap! The general feel is...
I'd say 4% would be fine, you could get away with possibly 3% but be safe!
England ok, where about's, yorkshire is higher than me here in Leicester so i'de have to use a bigger main jet on the same engine! It's only a...
Buy and fit new quality petrol pipe!
If you fit or make up the pivot for the brake shoes it can be done!
The std jet would be around 53 or 56, depending on year, de-restricted it would be be 58-60 so you are about right, there's no set jet size, jet...
