FarmerTec 660 "Kit" - What's the latest on quality?

[MustangMike]

The only mod those mufflers need is to the baffle, either a 1/2" hole, or remove it, depending on if it is ported some or not.

Ditto with the timing advance. On a mostly stock cylinder, I would take about .020 off the key, on a ported saw, .030.

Those mufflers have no screens and plenty of openings. IMO, screens usually reduce flow by about 50%, so keep that in mind when comparing to other modified mufflers.

 

[Larry B]

With the MMWS cross cylinder i took about. 040 off the key. Gotta pull the recoil like ya mean it or you get some sore fingers. Saw does seem to run a little hotter than when i was at .020 off the key.

Got a question. Is the chineesium coil that comes with the kit unlimited or limited? My saw seems to not want to run past 12600. My 361 kit saw will rev to 14000
I don't run it that lean but it will rev that high. The 660 won't. I did buy a DZE unlimited coil and wondered if it was worth putting it in. Just wondering. Thanks

 

[Jason628]

With the MMWS cross cylinder i took about. 040 off the key. Gotta pull the recoil like ya mean it or you get some sore fingers. Saw does seem to run a little hotter than when i was at .020 off the key.

Got a question. Is the chineesium coil that comes with the kit unlimited or limited? My saw seems to not want to run past 12600. My 361 kit saw will rev to 14000
I don't run it that lean but it will rev that high. The 660 won't. I did buy a DZE unlimited coil and wondered if it was worth putting it in. Just wondering. Thanks

From what I can find the stihl ms660 is limited to 13,500rpm not sure about the farmertec

 

[Jason628]

The only mod those mufflers need is to the baffle, either a 1/2" hole, or remove it, depending on if it is ported some or not.

Ditto with the timing advance. On a mostly stock cylinder, I would take about .020 off the key, on a ported saw, .030.

Those mufflers have no screens and plenty of openings. IMO, screens usually reduce flow by about 50%, so keep that in mind when comparing to other modified mufflers.

I'll do .020 off key and drill a big hole through the baffle. I may add screens later to catch the pieces when I blow it up haha jk. It gets pretty dry here and I may add them to cut down on potential fire hazard

 

[MustangMike]

I don't think the AM coils are limited, but I think most of the cylinders have to be ported to reach good RPMs.

I like the Cross cylinders, but some of them ran much better than others, and virtually all of them could benefit from some addl port work.

Often, the Ex can be made a little wider, and the intake a little lower. Sometimes, raising the Ex helps also. High compression can add torque, but hurt RPMs, especially when the intake is too high and it does not get enough fuel.

 

[Larry B]

Thanks. It is running about 195psi that may be why it doesn't rev like the 361. It does have good torque.

 

[gurwald]

Im done this is whats left of the kit, any idea of where its going?

 

[Pincher]

The upper right rubber piece fits on the oil pump.

Shown here on LH side.

 

[stihl_head1982]

Im done this is whats left of the kit, any idea of where its going?

View attachment 275881

Black ring looks like a buffer part. If you don't have an IPL you can ask over at the manual thread. Should be able to get a PDF file from one of the guys who is savvy with the
transfer. The screw could be an extra -- but it looks like an oiler screw or a brake dust cover screw (?) Those are thoughts. The poster above nailed it on the cap that goes in the
recess end of the oiler.

 

[gurwald]

Im only using the inner dogs so maybe the screw is something left over to mount the outer.

Thanks for the input!
Eill take a look at the oiler.

 

[Pincher]

Im only using the inner dogs so maybe the screw is something left over to mount the outer.

Thanks for the input!
Eill take a look at the oiler.

My kit came with that rubber part already in the oiler. There was an extra one that came with the rubber parts.

 

[MustangMike]

They sometimes ship some extra parts, a buffer will be pre installed, and they ship one to install, etc.

I agree with the other comments.

 

[Bjorn]

Hello, the rubber ring fits to the fueltank, betwen the crancases. Hard to explane in english, send pm on swedish If you dont find it.

 

[Nutball]

Oh, I don't think I used mine, or I put it somewhere else. It appears to be a buffer that goes in a peg/pocket that limits AV travel.

 

[Jason628]

Here's the spare parts from mine. Not sure where that little clippy thing goes.

 

[MustangMike]

Here's the spare parts from mine. Not sure where that little clippy thing goes.

That is a piston pin clip. Hope they sent you an extra because you need to have two of them on there.

 

[stihl_head1982]

That is a piston pin clip. Hope they sent you an extra because you need to have two of them on there.

True dat! Hopefully you have both in place where they belong. If not trouble is surely ahead.

 

[Jason628]

True dat! Hopefully you have both in place where they belong. If not trouble is surely ahead.

I was just joshing you guys. That's the farmertec circlip. I used the hyway ones. Notice the FT ones don't have tangs on them anymore. I have somewhere another pack of screws and one for the handle. They gave me two of the little chain brake springs and no detent lever. Better to have too many screws than not enough hahaha

 

[Nutball]

Im done this is whats left of the kit, any idea of where its going?

View attachment 275881

1128 791 8400

I don't know if I put mine in the right place, but at least it is close.

 

[Pincher]

This picture shows the correct location for 1128 791 8400.