lol.. no. what u said is what im understanding.
the open bearing should FACE the crank. like u said to allow them to bathe in pre-mix.
is there someone around with more experience than i? im only learning this part myself :s
the open bearing should FACE the crank. like u said to allow them to bathe in pre-mix.
is there someone around with more experience than i? im only learning this part myself :s
Put the open side facing the ''inside'' of the engine. That is the only way that poor bearing is going to get oil!
The clutch shaft bearings should be sealed on both sides. There is no internal lubrication from the engine to lube these bearings. If no seals are used, the bearing will burn up.
On the crankshaft the oil/fuel needs to lubricate these bearings. When the bearing is in place you will see the bearing seal. Also the crankshaft has (2) seals that mount outside the bearing. These seals help with a loss of compression sometimes found in these engines.
I Sprayed mine with Marvel Mystery Oil then let the oil penitrate for a few days, not so much to lubricate but to prevent a dry start and heat friction, the Mystery Oil will also attract oil from fuel mixture.
With these engines running such a high RPM, I wouldn't take the chance. It might but why even think about it at all. The clutch shaft is another story...the RPM's are cut way down.
you cannot rely on the outer seal of the bearing to hold your crankcase compression you must use external seals .and Ron's right put the good ones in
NO!! Do NOT use a bearing for the crankshaft that doesn't have a outer seal. I had a engine come that way, and it didn't last as long as I thought it should of have. Why even think about a seal less bearing...it's not like it would save money to start with.
Have a 66 cc engine want to place crank case bearings with Timken 62022RSC3 bearings 15 x 35 x 11 mm but they have rubber grease seals compared to stock that has metal gease seals is it ok to use Timken they make best bearings