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Post by ottomatic on Jul 1, 2018 21:21:41 GMT -5
I've rebuilt/assembled this top end several times... Long story short, I discovered that the machinist I used didn't debur the ports of the cylinders he honed, and it destroyed the cylinders... So I've been chasing gremlins since day one of 2 years.
I've had the cylinders bored as big as they can get, I'm ready to reassemble, but I am quite gun shy due to all the troubles, and have been putting off this project for far too long, I'm a tad rusty.
Is there anything I should do before/during putting it back together? is there some kind of engine lube or something I should be using?
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Post by Curtis on Jul 1, 2018 22:20:37 GMT -5
I use assembly lube on everything - Pistons/rings/grudgeon pins. Big end bearings.
Lube everything that would be “steel on steel” on initial startup.
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Post by ottomatic on Jul 1, 2018 22:36:39 GMT -5
I use assembly lube on everything - Pistons/rings/grudgeon pins. Big end bearings. Lube everything that would be “steel on steel” on initial startup. Any specific make of assembly lube?
How sparse/liberal should I be with it?
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Post by Curtis on Jul 1, 2018 23:30:02 GMT -5
I use assembly lube on everything - Pistons/rings/grudgeon pins. Big end bearings. Lube everything that would be “steel on steel” on initial startup. Any specific make of assembly lube?
How sparse/liberal should I be with it?
I use Spectro at the shop. Have you ever tried to go down a water slide naked with no water? Same idea |
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Post by JA-Moo on Jul 2, 2018 16:47:29 GMT -5
I haven't done anything more than a finger rub of 2 stroke or ATF in the cylinder and a dip of the small end bearing in either before assembly.
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Post by shiloh on Jul 2, 2018 18:04:21 GMT -5
I haven't done anything more than a finger rub of 2 stroke or ATF in the cylinder and a dip of the small end bearing in either before assembly. +1 to that Just make it slippery. |
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