New 4-stroke 49cc HuaSheng (142F) Build - Motored Bikes
网页2015年11月16日 · Speaking of which, the 4-stroke forum stickies seem pretty bare compared to the 2-strokes stickies for carb, engine, installation problems. I can try to start one but would love help from more seasoned 4-stroke guys like KCVale and etc. Well that's it. Sorry for the ramblings. Overall, the 4-stroke engine is a blast.
Troubleshooting a Huasheng 4-stroke Engine - Motored Bikes
网页2018年3月18日 · This boils down to the current issue that I'm having with the Huasheng 4-Stroke 49cc engine not wanting to start no matter what I try. After replacing most of the fuel components, new spark plug and carb cleaning it's still a no go.
4 stroke: chain or belt transmission (Lots of questions!) - Motored …
网页2020年5月18日 · new 4 stroke that is not equipped with a clutch. They're are almost all phased out. You'll be stuck like me. No one today makes a 4g belt kit for a straight shaft Huasheng 142F. The q-matic is obsolete today, an invention of the past that in my opinion was way oversold. You have to ask the seller about the ratio. I don't know, but it is ...
49cc 4stroke spark plug issues - Motored Bikes
网页2018年9月27日 · Hey so I'm new here. Figured smarter people than me would be able to help. I need a replacement spark plug for my huansheng 49cc 4 stroke. Unfortunately I'm finding it difficult to find any information about what to buy and on top of that it's proven very difficult to find anywhere that stocks...
huasheng 142f 49cc what oill? how much? :) - Motored Bikes
网页2013年10月10日 · I like the HS 49cc, I get the gasbike center mount 4-stroke kits with the 4G belt drive and just use whatever cheap non-synthetic 30w oil is handy for the first hour of operation, then change it to whatever synthetic oil is …
Exhaust system for 4-stroke - Motored Bikes
网页2019年5月28日 · I have a huasheng 49cc 4-stroke engine on my bike and it has the standard exhaust that comes with it. I would like to "Upgrade" or change it out for another better looking and better performing exhaust system. I want it to go all the way back to the middle of the rear wheel and have a better muffling of the sound.
Huasheng 142F 49cc 4-stroke valve adjustment - Motored Bikes
网页2012年6月28日 · For the first time, I adjusted the valves on my Huasheng 142F 49cc 4-stroke. All of the information I can find leads me to believe that the proper settings for this little engine are: .003" intake, .004" exhaust. I've done a great many valve adjustments over the years (and all kinds of other...
How to improve 4 stroke engine - Motored Bikes
网页2018年5月29日 · 1. How to I jet up my motorized bike. Bear in mind I have 49cc 4 stroke engine. 2. In the break-in period of the engine, should I go easy with the engine and only turn on the engine on flat areas? 3. "the last thing you want is to make your fuel mixture richer before you take a mountain pass @ 6000' ~ 9000"? Why is that? 4.
Dismantling a Hua Sheng F142 49cc 4 stroke engine
网页2010年5月8日 · My Hua Sheng F142 stopped durring a recent ride, it felt like it had ceased up, however it is well looked after and should not cease. I dismantled the engine yesterday and was asked to display photos here of dismantling process. Through the dismantling I was able to id problem, the problem...
Huasheng 142F 49cc 4-stroke big bore kit - Motored Bikes
网页2017年12月23日 · From everything I've seen the 4 stroke engine to run is the 79cc predator for a daily commuter. It has many more options for power, including race cams, stiffer valve springs, race clutches with variable springs for different stall speeds, removing the governor for more rpm and HP and can run cvts (continuously variable transmissions) such as the comet torque-a-verter.