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Hello! I would need your help to identify this rear shock and usd forks. Photos here: IMG-20200220-WA0045 by Jope22 posted Feb 20, 2020 at 10:52 PMX52 by Jope22 posted Feb 20, 2020 at 10:52 PMX53 by Jope22 posted Feb 20, 2020 at 10:52 PM Thanks in advance! That rearshock is about 300mm

Dont know is it different version that they sell in europe but they always tend to snap from the flywheel side when overrevved. Ooracing says the same too that overrev can cause crank failure. Some say its unbalanced etcetc. but cant say too much because i havent own any zs190 engines. Overall...

You could ask Adrian at ooracing, they're testing ZS212cc.ZS190 is known for snapping crankshafts when overrevved

You could use spacers or machine it down?

Little old thread but the exhaust gasket made HUGE difference in starting!!! Before it would need 4-10kicks cold when not ran in 5-8days, today i installed the exhaust gasket, the bike had been in cold without any running for 3,5 weeks, 2 Kicks and boom started right up! Definitely can recommend...

Hello! Would like to ask is 10w60 too thick for pitbike engine? Its 155cc Zongshen I found 4 litre bottle of Ipone Katana offroad 10w60 so would like to try Could it cause some damage?

Forgot that dollar and euro isnt same, it was 20€ for sale. Normal price for that chain is 40€

That's what I am scared of, that Chinese chains cause just more damage. I could get DID G&B 420nz3 for 20$ with 124 links and I think its worth it.

Hello, again! Sorry for a lot of threads but again new question! What chains do you guys use and what would be good? My Chinese chain is stretching out like crazy with my 155cc engine. I have taken look at DID420NZ3 and RK 420MXZ.

Ok, thanks! What jet kit should i buy? i think 100-122 jet kit would be OK

Thanks for answers, Will and AntNZ! So I'm going to get either the 26/28. I know there's Quality issues on the eBay okos but if they work then I would try. Some of the Chinese okos the jet holes weren't drilled trough so not good. I think that the oko would be betterer choice than PE26 or PE28...

Never heard of this issue but about the oil, I think the 20W50 is good in Australia. I used 20W50 in my 125 in Finland where the weather is a lot colder than in Australia and it was fine. In my 125 its had little too much play in the rockers because I adjusted them wrong with 10w40 they knocked...

Thanks for the answer! I think I need more top-end power so maybe going oko 28. How do you make sure its genuine oko? There's lot of those maikunis/okos on eBay for 20$ and I would not risk my engine on that carb because the slide could get stuck and stuff.

welp decided to add one photo of the engine

Hello, once and again! I know there are many threads about this topic but just would like to ask. What carb do you guys prefer on z155ho engines? I have looked on ebay at Oko26, PWK 28, PE28 and then the priciest one Keihin FCR 28. I would like to hear + and - about carbs what you run. I have...

Ok, Thanks! I just have to wait for my gasket to come and then ride it. Is the PWK and OKO same carb? I have started thinking about new carb but i dont know what would be best.

Hello, again! Since its getting very dark at least in Finland, I'm thinking about fitting LED light to my pit bike so I can ride it at nighttime. How should I wire it up? I'm going to buy either 18W,36,48W led to my pit bike. seems like I have lighting coils because I have 2 yellow wires from...

How do you guys know if your gearing is too long? I have 17/41 with 12" real wheel and I stall the bike a lot. I'm used to the 1kg flywheel so I think that's why. It goes pretty fast on 1st gear faster than my old 110 did so should I change the gearing to 15/41? I ordered an hour meter and...

XXX-747 I have noticed the same thing with my 160/155Z HO. It pulls ok in low rpm but when it gets to high rpm seems to pull like train! Like 2 stroke powerband but not the same. Might be the carb settings tho but still fun bike to ride. Just need to wait for summer because of winter in my...

oh ok,thanks dude :)