Questions tagged [two-stroke]

A type of internal combustion engine where all of the cycles of combustion occur in one 360 rotation of the crankshaft.

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Weed Wacker Not Running Properly

I have a Remington weed wacker that is ~2 years old. It worked great for the first 2 or 3 months but then I could not get it to work properly. I have tried new gas, new plug, adjusting the idle on ...
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125 views

Jet Boat, Cavitation or Misfire?

My jet boat is making a 'putting' noise when trying to accelerate. You can find all details regarding my boat here: My Boat Info The noise seems to happen in the mid-rpm range; 4,000 - 4,800 RPMS, ...
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87 views

Johnson 9.9 2 stroke wont idle anymore

I have a 1999 Johnson two-stroke 9 hp outboard motor. I have a 10 foot pelican that I put it on but the other day I almost flipped the boat after making a sharp turn, water got all in the boat about ...
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1997 Mercury 9.9 HP 2-Stroke starting issue

I've been banging my head on a starting issue with the outboard motor mentioned in the subject line (it's a manual pull-start). Problem is that when I pull it over, it doesn't sound/feel like it even ...
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1answer
25 views

1966 Suzuki K11 Oil Change

Got a old suzuki that's running and working just fine. I got the fuel ratio for the bike which is 20:1 this a two-stroke. What I'm trying to figure out is the oil for the bike. Normally do 10w30 or ...
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29 views

Boring Engine Cylinders

I owned 1978 YAMAHA 175 Enduro (2 stroke) and i had to bore the engine cylinder and now i am using 1.00 piston in it.But i noticed that it's not speeding up above 80,when it reaches 80 it's like ...
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chainsaws&blowers: Any guides/instructions on installing DIY air pre-filters on units with weak OEM filters?

I really love the idea (in link below) of Echo's 'pre-filter' setup to ease/assist the actual/main air filter and would love to DIY something, am guessing a stiff-enough, heat tolerant mesh material ...
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32 views

Craftsman leaf blower, did I destroy the carburetor?

I have a very gently used Craftsman leaf blower with about a 27cc 2-stroke engine. It never ran all that great, mostly it would start up fine then run for about 4 minutes until it started to slowly ...
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321 views

50cc Scooter only runs when manually choking air intake

I bought a 50cc Yamaha Zuma off of craigslist, and it's had some aftermarket parts put on it (exhaust, 70cc big bore kit, new carb). I cleaned the carb and converted the throttle to a one cable set-up ...
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316 views

Carburetor float bowl not receiving fuel on a dirt bike

I replaced the leaking carburetor on my kx125 2 stroke with a carb I got on Amazon. Brand name is Koso, it's Chinese. It worked great for about an hour on the track then the bike just died and wouldn'...