Bounty Hunter
Addicted to ArboristSite
The 066 rebuild is finally done…my first…and it was quite an interesting process. I made a few wrong turns and there was a few bumps in the road…like the time I tore half the fins off the REPLACEMENT flywheel…but I will say there’s nothing like taking everything apart, looking at each part in your hands, seeing how it works and how it goes together, it’s a priceless learning experience.
The Cylinder and piston turned out to be a nightmare…I sure didn’t see that one coming. We purchased a NWP “big Bore” kit for 066 / 660 from Bailey’s which uses a 56mm piston over the stock 54mm…adds almost 10cc’s.
After I got the whole saw together I tried to start it…and it refused to start. I checked everything, we had spark, we had fuel…what could be wrong? So I switched the carb with the one off a newer 660…still nothing. I switched the coil and electrical harness…still nothing, not even a burble. Dang! What am I missing! Two days worth of trying to figure this out left me grumpy.
Then Mrs. Bounty Hunter says: “Why don’t you try changing the piston and cylinder?”
“Oh it can’t be that!” I exclaim…”There’s no way anything is wrong. I double and triple checked everything when I put it together. I know the rings are correctly placed…they have the word “up” printed on them…The piston has an arrow to face it toward the muffler, and it all went together perfectly. I can feel it has compression, and it turns as it should. I just can’t be the jug and the slug.”
“But Bounty…” She says…”You have tried everything…what’s it going to hurt?”
Okay…I’ll humor her…
I still had the old cylinder, and a brand-new Meteor piston to go in it…I was planning to try some porting in the future, as CHEVYTOWN seems to be having a bunch of fun with it. I cleaned up the cylinder with 320 wet/dry paper, cross-hatching it as best as I could. It actually came out pretty good.
I popped it on, and trudged out to the front yard…as I had 50 times already…fully expecting to yank that starter cord and be disappointed yet again…
But instead, the first pull on full choke…BURBLE BURBLE BURBLE!
Two more pulls on half choke…VVVVVVAAAARRROOOOOOOOOOOOOMMMMMMMMM!!!!!!!!!!!!!!!!!!!!!!! He started right up!!!!!!!!!!!!!!
Mrs. Bounty Hunter…Bless yer heart…How did she know? That Magical “women’s intuition” thing I guess…
The 066 tuned up great, albeit rich, since we were running 35:1 Stihl Ultra for break-in. A little smoke, but the sound was perfect. I had modded the muffler, and it was singing a sweet song of power, and revved up real quick and torqued nice in my hands.
Bailey’s didn’t know what could be wrong, but they sent me a UPS Return Label…Let their techs check it out. It still might be my fault…I am really scratching my head over that one…
But, he’s all done now, and I like the ¾ wrap handle and I bought an extended clutch cover and chip flap, which helps keep chips outta your face when the saw is inverted for a face cut. Thing is, he’s more a 660 now than 066…I replaced the busted rear handle, missing engine cover and air filter cover, all the switch parts were different and had to get 660 parts…so maybe he’s an 060? Or a 666? Wait…scratch that last one…
His previous owner surely didn’t care about him…He probably belonged to a tree service company where no one was really responsible for the saw’s care. There was a lot of physical abuse, it was really busted up. Even the inner dawg had been broken out of the case boss and the lower mounting hole was so wallered out that it took a 5/16” Helicoil to fix it. I made a little steel bracket to hold the upper dawg bolt…barely clearing the muffler housing…Can you see it?
So after a lot of work and a bit of money, we are ready to go cut some wood. Was it all worth it? You Bet!
Here’s the pics…
The Cylinder and piston turned out to be a nightmare…I sure didn’t see that one coming. We purchased a NWP “big Bore” kit for 066 / 660 from Bailey’s which uses a 56mm piston over the stock 54mm…adds almost 10cc’s.
After I got the whole saw together I tried to start it…and it refused to start. I checked everything, we had spark, we had fuel…what could be wrong? So I switched the carb with the one off a newer 660…still nothing. I switched the coil and electrical harness…still nothing, not even a burble. Dang! What am I missing! Two days worth of trying to figure this out left me grumpy.
Then Mrs. Bounty Hunter says: “Why don’t you try changing the piston and cylinder?”
“Oh it can’t be that!” I exclaim…”There’s no way anything is wrong. I double and triple checked everything when I put it together. I know the rings are correctly placed…they have the word “up” printed on them…The piston has an arrow to face it toward the muffler, and it all went together perfectly. I can feel it has compression, and it turns as it should. I just can’t be the jug and the slug.”
“But Bounty…” She says…”You have tried everything…what’s it going to hurt?”
Okay…I’ll humor her…
I still had the old cylinder, and a brand-new Meteor piston to go in it…I was planning to try some porting in the future, as CHEVYTOWN seems to be having a bunch of fun with it. I cleaned up the cylinder with 320 wet/dry paper, cross-hatching it as best as I could. It actually came out pretty good.
I popped it on, and trudged out to the front yard…as I had 50 times already…fully expecting to yank that starter cord and be disappointed yet again…
But instead, the first pull on full choke…BURBLE BURBLE BURBLE!
Two more pulls on half choke…VVVVVVAAAARRROOOOOOOOOOOOOMMMMMMMMM!!!!!!!!!!!!!!!!!!!!!!! He started right up!!!!!!!!!!!!!!
Mrs. Bounty Hunter…Bless yer heart…How did she know? That Magical “women’s intuition” thing I guess…
The 066 tuned up great, albeit rich, since we were running 35:1 Stihl Ultra for break-in. A little smoke, but the sound was perfect. I had modded the muffler, and it was singing a sweet song of power, and revved up real quick and torqued nice in my hands.
Bailey’s didn’t know what could be wrong, but they sent me a UPS Return Label…Let their techs check it out. It still might be my fault…I am really scratching my head over that one…
But, he’s all done now, and I like the ¾ wrap handle and I bought an extended clutch cover and chip flap, which helps keep chips outta your face when the saw is inverted for a face cut. Thing is, he’s more a 660 now than 066…I replaced the busted rear handle, missing engine cover and air filter cover, all the switch parts were different and had to get 660 parts…so maybe he’s an 060? Or a 666? Wait…scratch that last one…
His previous owner surely didn’t care about him…He probably belonged to a tree service company where no one was really responsible for the saw’s care. There was a lot of physical abuse, it was really busted up. Even the inner dawg had been broken out of the case boss and the lower mounting hole was so wallered out that it took a 5/16” Helicoil to fix it. I made a little steel bracket to hold the upper dawg bolt…barely clearing the muffler housing…Can you see it?
So after a lot of work and a bit of money, we are ready to go cut some wood. Was it all worth it? You Bet!
Here’s the pics…
That would be a first that I've heard of that.
