loss of power at 3/4 throttle

memesare

New Member
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8:28 PM
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Feb 27, 2024
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melbourne
i have it running fine, just got a new ngk sparky, new boot and got the carby cleaned out, it was going easily 47-52 kmh now it maxs out like 35-40 going flat but down hill obviously i gain power, was actually running it about 70 kmh last night, but yes i get to full throttle and it feels like its vibrating more and theres a significant power loss, any fix ive just broken the motor in ive been running it on 50:1 like the builder told me to use and that seems fine, not sure about the whole ruch/lean thing any thoughts?
 
i have a whole tank of 50:1 in it should run that through or tip it and go 32:1, what would be the tell that somethings damaged, i had a mechanic look at it he said it looked and ran fine the only probelm it goes a bit slower
I would dump it into a container and mix it with a new batch of 32:1, It might be a little "thicker", but extra oil won't hurt.

Or you can try doing the math...
 
i have a whole tank of 50:1 in it should run that through or tip it and go 32:1, what would be the tell that somethings damaged, i had a mechanic look at it he said it looked and ran fine the only probelm it goes a bit slower
Do as you wish then...It's your bike...These "voices in your head" that you are listening to are dead wrong...lol.
 
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i have a whole tank of 50:1 in it should run that through or tip it and go 32:1, what would be the tell that somethings damaged, i had a mechanic look at it he said it looked and ran fine the only probelm it goes a bit slower
There issue with running too little oil is engine cooling, that's why it goes slower with 50:1 ratio. The piston is starting to heat soak and expand too much. If you keep it up the engine will seize.

Why would these guys run 25:1?
 
There issue with running too little oil is engine cooling, that's why it goes slower with 50:1 ratio. The piston is starting to heat soak and expand too much. If you keep it up the engine will seize.

Why would these guys run 25:1?

im gonna empt my 50:1 tank when i get home and change it for 32:1
 
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