Troublesome MS660

[Mastermind]

This is just my way of thinking Randy so please excuse me if it sounds all to simple.
Without establishing a ...truth.. its a lottery of posable reasons.
Did it go into storage running good.
Was it dry stored...Fuel.
Those are 2 things that might point me in a given direction if i was in you situation . Thing is....the chap that has already given it what for i would think will have uncovered the normal stuff ....So at least you may have a list of things looked into...Ergo ...whats left .

Went into storage running.

Not sure how it was stored.

 

[czar800]

Case full of fuel?

 

[Chainsaw Jim]

Jumped flywheel? Nevermind I didn't see the part where you mentioned the key is good.

 

[czar800]

I wonder if the timing is off I know you checked the flywheel.....Is the timing advanced on the saw? Maybe it's slightly too far???

 

[Chainsaw Jim]

Did you see the piston? I've experienced high compression on a severely scored piston that would pop and act like a timing issue.

 

[Mastermind]

Case full of fuel?

No sir, I even pulled the jug to do a complete inspection.

I wonder if the timing is off I know you checked the flywheel.....Is the timing advanced on the saw? Maybe it's slightly too far???

I tried it advanced, and retarded, and dead on. I even thought maybe the crack stub had somehow slipped, but that was ruled out too.

 

[Mastermind]

Did you see the piston? I've experienced high compression on a severely scored piston that would pop and act like a timing issue.

I pulled the jug and inspected all parts.

 

[Mastermind]

This is a good one huh? LOL

Definitive Dave called it right off the bat.....and sent me a part that fixed it. BAM

 

[Chainsaw Jim]

I pulled the jug and inspected all parts.

I wouldn't be surprised if you already mentioned that too. Lol

 

[czar800]

 

[Simondo]

Any chance of a electrical short/fault that would be there regardless of the coil /plug swap....stop wire .... Odd you should get 3 different sorts of spark.

 

[burkesw]

This is a good one huh? LOL

Definitive Dave called it right off the bat.....and sent me a part that fixed it. BAM

You are a sick person that enjoys a cruel form of torturing us

 

[Mastermind]

Any chance of a electrical short/fault that would be there regardless of the coil /plug swap....stop wire .... Odd you should get 3 different sorts of spark.

I tried it with the kill switch wires unhooked too......

The three different types of spark is a major clue.

 

[Chainsaw Jim]

It's like valleyfirewood hijacked masterminds account.

 

[czar800]

I flunked this test ....

 

[Simondo]

I tried it with the kill switch wires unhooked too......

The three different types of spark is a major clue.

Im assuming the spark lead was different each coil swap ?

 

[Sty57]

Plug wire.......

 

[redoakneck]

Ugh , I don't know,

I like turtles, and pie

Coil, spark plug wire??

 

[redoakneck]

Ugh , I don't know,

I like turtles, and pie

Coil, spark plug wire??

Bad ground wire??

 

[Mastermind]

Im assuming the spark lead was different each coil swap ?

Plug wire.......

I installed a new OEM Stihl coil lead. I keep a roll on hand......