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Enduro Engine - 2 stroke Cylinder, Piston, Tranny, Bearings, Clutch, Pipes & Silencers, etc. |
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#11
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Having the squish tight will help reduce detonation through better cooling of the piston crown. But you have to reduce the compression down to sensible levels. That will naturally cut into the squish area a bit and bring msv about right.
Clearly the piston crown should be parallel to the head. Wedged shape is not a tool required with a reasonable engine on OK fuel. And never a wedge closing in to the center.
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#12
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and comparing fuels between straya and usa you have to remember we use RON as our standards and they use MON.
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#13
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So, Rick?s 91MON is roughly equivalent to our 95RON, correct?
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Gas Gas 2018 EC250 Six Days - sold |
#14
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And farrenheight instead of sellyoususs for temperature although we should really be using kelvinklein degrees
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'07 EC300 GG '14 TXT250 GG '? 496 CPI Cheetah RZ/RGV hybrid '22 765 Street Triple RS '21 XTrainer '69 Stinger T125 Suzuki '23 TRS 250RR (it's a Trials thing) |
#15
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Something like that..
95RON is closer to 85–86MON... which is about 91 PON (Pump Octane Number) |
#16
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#17
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A response to my email:
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#18
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Email #2
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#19
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My bike is now fixed. I had the head cut by TSP (Australia) to lower squish to 1.35mm. I also had a closed-throttle lean condition caused by the slide being too high. This was throwing up red herrings regarding jetting & compression.
Running perfect.
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Gas Gas 2018 EC250 Six Days - sold |
#20
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Yay !!
More data points. |
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