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wont the bb kit for the 660 cause the piston to hit the crank case? something about t HOW can the piston hit the case??????????? Maybe contact with crankshaft approaching BTDC or the top of the cyl as TDC comes up.But the latter seems as unlikely as the former,. There is the thick and thin base...

Make mine an 064(066?) well The pic was off the ad I bought it from an auction house online. It arrived today and I cant read the worn numbers but there is definitely no 4 where the 4(064) should be and the covers virtually identical to my MS660 .tank looks the same.so I'll look into this as...

Hi blsnelling ,you made a comment here about no regrets fitting a BB660 kit to the 064. I have almost got the bits here and I notice you have snellerized saws on your monnica next to the post above , so it seems you may be someone worth listening to about these matters?? Have you had an...

038AV,038 Mag,041.Couldn't make their minds up in the eightys Yea (boutselis) apparently so . Machines have improved in little ways so much though. All these old things we keep using wear the operator down that much faster. I have too many old saws myself from 50 years old to only 6 year old...

064 & BB 660 kits so has anybody got the guff on The Ms660 Big Bore kit running on the 064 crankcase?

460 064 066 ms660 Well this thred may be aging like myself but its fascinating topic and good to stumble on during a related search.Used an 046 which for the physical size was a proper little trooper , keeping its head up cutting next to a Husqy 395 in bluegum. Then came an MS660 which I noted...

porting & so on ..& on & on & ... Is this the arborist club? members are too clever for me ,I'm just a dumbass looking for guff about chainsaws and "Mr" you're on yur own.Certainly did not come looking for an arguement, dunno why the mediators din't strike someone off ? this thread sucks...

????????????????????????? IS THERE something wrong with the advice given about the modifications? The rest of this stuff doesn't belong on here. Just get admin to strike the offender off or remove the thread? It reads like a bl@@*y soap opera.

P.s. Same cudos to 046,& Mr .Also everyone else who contributed to the topic & not the inquisition. I just hope the suspected WITCHES aren't so pissed off the thought of spreading valuable & useful information; becomes prohibitive of the action?!! Seems a shame yuh got heckled about Hu.GivesA...

porting... Hey Timberwolf, Thank you for showing such a lot of pics on the forum/thread topic for 066 & BB which has been lots of inspiration to a project I've been chipping at for a couple of years .Now have some data from you to apply to my saw & hope to make it get my mill singing even...

does compression matter in a 2 stroke? one thing that occurs in a two stroke piston ported motor/engine is that piston speed alters the compression ,second is there are pipes on some that leak down some air .third factor that comes to mind is the case if leaking somewhere like end seals ...