BTW, the local to me loggers run 18" B&C's on MS661's.
But true, them are Stihl's, they can't handle more than that!
I don’t know that I’ve got enough crayons to explain this for you but I’ll do my best with what limited resources I have to work with.
I’m Familiar with the 2nd best selling German Saw Brand, now the 2nd best selling Japanese saw brand. If they had been supported here I would have some Dollys. But they don’t, & I’m not going to run Hushees if I can help it.
1 messily old Stihl 461R cut that load one morning.
The 066s & 661 I’ve had has more stones than the 9010 so I’ve kept at least one of them 66s all along.
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Unless you cuttin cooookies silly...
Don't be so serious...
At least they look nice, unlike the Shtihl's!That's because the Dollies look nice on the shelf. [emoji1787][emoji2957]
I am not on the clock and productivity is not my main concern when I process my own firewood!But as I was saying,
A 90cc saw with a short bar is counterproductive.
You’ve got some nice saws.
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What am I missing?
Those studs are in the front holes, right?
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Do you have that?
A little bit more on the SD 120 super.
The addtional fuel pump is a unique feature of the 120 super that sets her aside from most other saws.
Other than modern primers the pump doesn't flood the carburettor but rather spits drops of fuel into
the carb's intake funnel.
Everything in the setup was missing my saw only an unconnected fuel line from tank to intake-funnel was left.
The ball-pump is available new from Walbro but it's different from normal primer bulbs: There's only one line connector
and the pump is to be fixed into the wall of the fuel tank by a nut .
View attachment 240136
Detail of the IPL:
View attachment 240137
as one might expect: the custom check valve (48) is NLA. So I had to come up with an alternative.
View attachment 240138
This is the working scheme. It comes down to 2 check valves connected in line connected and having a third connector
between both for the primer bulb. First thought about using 2 separate laboratory check valves and a T-connector but
all the items I found had much to wide hose fittings so that further reducer would be needed an then, all of it has to fit
inside the saw's fuel tank.
But every diaphragm carb has exactly this very scheme built in. So why not just use an old carburettor as replacement part?
Here is my solution:
View attachment 240143
I firs drilled a bore into the carb's body to connect to the screen chamber.
View attachment 240142
The I cut a M3 thread into the new bore.
Do you have that?
I gotta get ahold of you.
I have found another Primer Bulb from Kawasaki that is exact fit. The thread is same for the inside tank nut!
Also available on Amazon
Kawasaki#49043-7002
Because they’re trying to make the crank and bearings last longer. Most ported 7900’s need to be tuned 1/4 - 1/2 leaner than the limiter, especially on the 12,8 limited coil modelsHello guys, been a while.
I have a question. I see some guys running their saws (non ported saws) at 13,200 to 13,600 WOT.
I recently purchased a tachometer to test my saws. I have a lot of saws set around 12,900 to 13,200 WOT. I really have to dog them down or push reasonably hard in order to 2stroke. So it makes me wonder if I could set them higher. But then again I own other saws that are rev limited to 12,800 or 12,500 like the 7910 or 9000 dolmars respectively.
Why are they set to such a low rpm limit while other saws run at 13,500 no problem and still 4stroke?