Rieju & GasGas Legacy Riders Club Forum - EC 300 cylinder pressure

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Rieju & GasGas Legacy Riders Club Forum (http://www.gasgasrider.org/forum/index.php)

- Enduro Engine - 2 stroke (http://www.gasgasrider.org/forum/forumdisplay.php?f=37)

- - EC 300 cylinder pressure (http://www.gasgasrider.org/forum/showthread.php?t=8013)

garretts

05-29-2023 07:38 AM

Quote:

Originally Posted by (F5) (Post 201663)

I think you have your answer if it starts/runs fine and you know how old the piston is. Check ring gap is OK and button it back together.

Gauges are a blunt tool with many variables. 300 has a hole above port that makes them easier to kick but is too small to dent performance. I rotate mine if I've not used it for a month by hand.

it is just so strange though that my kicker lever is the way it is. I can quite literally grab it with a finger and a thumb and push it down. and it is so awkward to kick because it has zero feedback on your foot so every time you start it you are just ramming it into the footpeg and it will start, its the weirdest thing.

garretts

05-29-2023 09:25 AM

Quote:

Originally Posted by (F5) (Post 201663)

also what are you saying that you rotate? and where would i find it

(F5)	05-29-2023 02:47 PM

Ok, yeah that sounds odd. I can push my lever down by hand but it still goes past compression slowly and takes effort. Check ring gap.

Jacob 'Berg

05-30-2023 01:58 PM

50 hours since you installed the piston? Or, the previous owner told you he replaced the piston and put 50 hours on it?

If you bought the bike used, I would pull the cylinder and give everything a once over, including measuring the bore. This will give you an idea of where you are at with the wear on the cylinder bore moving forward.

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