When will the first of the four strokes hit real production? Any opinions?
When will the first of the four strokes hit real production? Any opinions?
Meh, 4 strokes can outrev 2 strokes now.
Theyre getting lighter too, look at whats happened in the MX bike world, asides from EPA regs.
However they run MUCH hotter. a 4 bangers ill suited for normal chainsaw useage.
Those are not reliable need constant valve adjustment and are very expensive to rebuild. E-tech or direct, semidirect injected two strokes are a better choice.
Yeah I hear those are real winners lol. Did they end up getting them to last more than a year before grenading?
These are holding up great here. ! down due to bad fuel. Even with abuse. I adjust valves at tune up time, no big deal. Most are within a few thou.
If you have all those going bad, I will bet a two stroke will be junk in the same hands.
Yep we have commercial customers (Lawn care folks) using them several years now and and occasional valve adjust @ tune up is about it,,,
If they run Ultra syn mix it is even better!!!!
This thread is making me want to go to more garage sales and buy more saws . I've developed a passion for these things ......collecting , tearing down , inspecting , assembling , annoying the neighbours . Now there's this talk of change . Boo Hiss . I love the old stuff ..older the better .
Thats what I thought when the two strokes where being phased of the motorcycles and snowmobiles, now I think that the bikes are lighter and much more faster than ever with these 17,000+ rpm four strokes, it's getting crazy but scary I agree.
Agree with StihlTech.....
Decarbon spray can work well.
carbon buildup after 100-200 hours destroys the valves. Camshaft failures bearing failures. Stihl won't waranty the product if you don't use their oil sounds great to me. If I thought it was good I would recomend it. I will wait for the bugs to be worked out. More moving parts = more problems. It would need to be taken apart and decarboned by hand where as with a Honda and Dolmar that have oil seperate from the cylinder one squirt of water in the carb and your done. I would buy honda.
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