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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#1
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Unexplainable loss of mid range in a 125
What reasonable explanations are there for a sudden loss of mid range power.
it started last Sunday when the bike wouldn't run properly, it was either throttle wide open or idle. nothing in between. just burbling, i changed the plug, same problem. i checked for blocked jets, same problem, i dropped all the fuel and rinsed tank and carb with meths to disprove water, same problem . cleaned air filter, same problem. replaced fuel with different fuel/oil mix. same problem the only thing i can think of is reeds, but i cant check them because the reed block is bolted is with a bolt with no head the pipe is cracked but its been like that for a while and the loss of mid range is new I'm going to get the pipe welded and the muffler re packed. the jetting was fine last summer. |
#2
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Other people on the forum have had the same set of symptoms and the problem ended up being trash blocking one of the carb jets.
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