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it looks dirty in there. i think part of the air filter may be that problem. should i clean it out befor i install new bbk?? how??
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the piston was so scraped up that the piston rings couldnt come off even if i wanted them to.
what do u guys think....
Moderator: Moderator
I was NOT kidding.Wheelman-111 wrote:Greetings:
I'm sure TJz was kidding. In case you took him seriously, the suggestion he gave is inconsistent with any chance for your scooter to live a long happy and productive life.
motormike wrote:Errands become adventures.
Agreed. Make sure you get those crank bearings coated in good oil before starting the engine though.Bear45-70 wrote:Actually to clean the crankcase without disassembling it, half to 3/4 fill it with acetone, slosh it around and rotate the crank numerous times and dump it out. Do this 3 or 4 times, then fill the crankcase with 2 stroke oil and let it sit overnight with rotating the crank at least 30 times over a period of hours.
Disassembling and cleaning would be better but this is the next best thing.
motormike wrote:Errands become adventures.
Wheelman-111 wrote:Greetings:
I'm sure TJz was kidding. In case you took him seriously, the suggestion he gave is inconsistent with any chance for your scooter to live a long happy and productive life.
I strongly recommend you get some help if necessary, and do a complete disassembly of those engine cases. It's a little work, but easy compared to say... a CBX inline 6.The reason is that there are nooks and crannies that surely still contain little bits of piston shrapnel all around the insides of those cases, bearings seals, etc. Chances are that if you only reassemble a shiny new top end, some of those fragments that remain after your compressed-air Schpritzing will work their way loose once again, to circulate in the hurricane-force winds of the transfer process, only to become wedged once again between the piston and the edges of various ports. Those that lodged in the main bearings will quickly grind up your balls
and dramatically shorten the life of the bottom-end as well.
Once the cases are apart, it may be possible to clean the bearings, but I don't think it can be done effectively without splitting the crankcase. Better still, replace them along with the seals for the $30 or so it might cost, and have essentially a new engine when you're done.
Gasoline is extremely flamable and is never recommended for any solvent job. Yes, acetone is flamable, but no where near a bad as gas is. Beside acetone is cheaper by the gallon than gas is.bradthreee wrote:Ive followed the above procedure and used fresh gasoline instead of acetone. It worked like a charm, for me at least. Of course if you have the means to split the cases then we strongly encourage you to do so.
Bear45-70 wrote:Gasoline is extremely flamable and is never recommended for any solvent job. Yes, acetone is flamable, but no where near a bad as gas is. Beside acetone is cheaper by the gallon than gas is.bradthreee wrote:Ive followed the above procedure and used fresh gasoline instead of acetone. It worked like a charm, for me at least. Of course if you have the means to split the cases then we strongly encourage you to do so.
Is that a personal attack maddog?maddog wrote:the bear is a joke
motormike wrote:Errands become adventures.