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nutgone wrote:Besides; 4 stroke engines have valves & cam shafts, much more machinery to take apart & play about with!
)bingobob wrote:nutgone wrote:Besides; 4 stroke engines have valves & cam shafts, much more machinery to take apart & play about with!
Yes, but think back to the 2 stroke moped days, Yamaha FS1E, the hours I used to spend opening up the inlet and exhaust ports, skimming the head, polishing them like glass then reving them to destruction, could get 60mph out of mine after a good tunning session. (down hill with the wind behind me)

bingobob wrote:nutgone wrote:Besides; 4 stroke engines have valves & cam shafts, much more machinery to take apart & play about with!
Yes, but think back to the 2 stroke moped days, Yamaha FS1E, the hours I used to spend opening up the inlet and exhaust ports, skimming the head, polishing them like glass then reving them to destruction, could get 60mph out of mine after a good tunning session. (down hill with the wind behind me)

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