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Messages - Ben_Lamb95

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Other Bikes / Re: Smoking CB100N please help!
« on: January 10, 2015, 01:10:20 PM »
Just had it apart again, the first thing i noticed was the piston rings are all inline... when i put it together all of them was at 120 degrees to each other, any ideas anyone? I also measured the piston and cyclinder and they are both within the tolerances

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Other Bikes / Re: Smoking CB100N please help!
« on: January 08, 2015, 12:31:09 PM »
That pdf is brilliant, so much better than the useless haynes manual! Putting over sized rings on a standard piston was a stupid idea because the piston still needs to be the right size for the cylinder, hopefull have it apart again tomorrow or the weekend so ill check the piston/cylinder, thanks again for the help! :)

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Other Bikes / Re: Smoking CB100N please help!
« on: January 07, 2015, 04:36:54 PM »
The cylinder looks in perfect condition with no scoring I was hoping to just fit new rings maybe slightly oversized rings? The piston has a good tight sliding fit so I didn't think this was the problem but im running out of ideas. Does anyone know if it should have one or two valve seals?

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Other Bikes / Re: Smoking CB100N please help!
« on: January 07, 2015, 12:07:49 PM »
There was no play at all in the valves, im waiting a compression tester to turn up to see if that shows anything, i think it may be the rings...

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Other Bikes / Smoking CB100N please help!
« on: January 06, 2015, 11:35:54 PM »
Hi im new on here but I really need some help with a smoking CB100N. Its burning engine oil like there's no tomorrow, I took the rocker cover off and it appears there's only one valve seal which is on the exhaust valve but from drawings ive seen this appears correct, anyone know if there should be one or two and any general tips would be much appreciated as ive had it apart 4 times now!

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