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ASP 21M Two Stroke Water Cooled Glow Engine

ASP 21M Two Stroke Water Cooled ...



A great, low cost and reliable ASP marine engine. Includes muffler and flywheel/adapter as shown.
Spec.



Displacement: 3.34
Bore: 16.30mm 
Stroke: 16mm 
Suggested prop: 8*6...
21M

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$68.04
539g
21M


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Overview
A great, low cost and reliable ASP marine engine. Includes muffler and flywheel/adapter as shown.
Spec.
Displacement: 3.34
Bore: 16.30mm 
Stroke: 16mm 
Suggested prop: 8*6
RPM: 2,500 ~ 19,000
Weight: 280g 


 
Specs

Additional Information

  • Blade Count:
    N/A
  • Diameter X(Inch):
    No
  • SKU
    21M
  • Watt Hour
    0.00
  • Weight(g):
    539.00
  • Length:
    141.00
  • Width
    80.00
  • Height
    103.00
Discussion
Reviews

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Got mine a week ago and after one liter of break in I think is ready to fly. Very good idle, good max rpm but very sensitive screw for mixture. Notice for first 5 min run take throttle full open and maximum mixture screw open to bring low head temp (about 40 degree celsius):

I will try to built a brass tuned pipe after few test flies.

I will buy another because I'm very satysfied
Hi, i 'm doing my own boat and want to put this engine on it. Can someone tell me what i need after the motor till the prop. I guess i need a drive shaft and maybe a drive dog ? never had a boat b4 sorry if question is stupid.

Thks
I've had an ASP40 water cooled, and everything fine except the carburettor. Pretty much everything that could go wrong with the carburettor did. If you stick to the stock muffler, you could be fine, but I was running a tuned pipe, and getting some pretty good revs out of mine, in a jet boat. Not sure whether they have changed carburettor, or if different sizes perform better, but keep an eye on the settings, I found they kept wandering.
very? very class motor fo his size this is excelent engine
discussion section not working.

if this is a watercooled marine engine, why is the reccomended prop size 8*6, and why is a plane muffler included?
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