DOLMAR/MAKITA The Official Sachs Dolmar Dolmar Makita Dolmar Chainsaws Thread

[RI Chevy]

You might like that sausaged 7900

No sir. I just can't seem to tune those Dolkitas worth a dam.
It's well known. Lol

 

[Nutball]

9010 runs like an Echo. At first it seemed a bit peaky in the power curve, but after a couple cuts it has a very smooth & forgiving power curve.

But it smells really bad when it gets hot. Maybe it's the muffler paint?

 

[Nutball]

Terrible air filtration. Why have a pre filter on the starter side when there's an open hole under the air box on the clutch side? The old style flocked filter (same material as old Stihl 028 filters) has large squares that can easily pass the large leaf of a yellow pine, while the fibers give it more flow resistance than nylon mesh.

I might look for a spare filter to mod with nylon mesh and plug the hole in the bottom if the air box with oiled foam. I might even put oiled foam inside the air filter like what a 660 has.

Piston has a typical wash pattern: all dark except for along the back edge and a little in the back middle.

Does anyone have some good numbers for me to use on my 9010? @huskihl @srcarr52 @Mastermind

I haven't timed it yet, but I'm thinking 98deg would be good exhaust for a 30" bar, the transfer port shape look good from inside, I don't think I'd want to change the uppers much.

 

[huskihl]

Terrible air filtration. Why have a pre filter on the starter side when there's an open hole under the air box on the clutch side? The old style flocked filter (same material as old Stihl 028 filters) has large squares that can easily pass the large leaf of a yellow pine, while the fibers give it more flow resistance than nylon mesh.

I might look for a spare filter to mod with nylon mesh and plug the hole in the bottom if the air box with oiled foam. I might even put oiled foam inside the air filter like what a 660 has.

Piston has a typical wash pattern: all dark except for along the back edge and a little in the back middle.

Does anyone have some good numbers for me to use on my 9010? @huskihl @srcarr52 @Mastermind

I haven't timed it yet, but I'm thinking 98deg would be good for a 30" bar, the transfer port shape look good from inside, I don't think I'd want to change the uppers much.

I’ve only ported one and I used a different piston. So my numbers are kinda out the window probably.

 

[Nutball]

What piston? Wider skirt?

 

[huskihl]

What piston? Wider skirt?

064.
Freeports like a mother on the bottom of the exhaust but it ran pretty good

 

[ajschainsaws]

@ajschainsaws Andrew, you know your sources ...

yes there NLA in certain places and it would look proper with them I will ask the new owner if they want them

 

[srcarr52]

Terrible air filtration. Why have a pre filter on the starter side when there's an open hole under the air box on the clutch side? The old style flocked filter (same material as old Stihl 028 filters) has large squares that can easily pass the large leaf of a yellow pine, while the fibers give it more flow resistance than nylon mesh.

I might look for a spare filter to mod with nylon mesh and plug the hole in the bottom if the air box with oiled foam. I might even put oiled foam inside the air filter like what a 660 has.

Piston has a typical wash pattern: all dark except for along the back edge and a little in the back middle.

Does anyone have some good numbers for me to use on my 9010? @huskihl @srcarr52 @Mastermind

I haven't timed it yet, but I'm thinking 98deg would be good for a 30" bar, the transfer port shape look good from inside, I don't think I'd want to change the uppers much.

I had somewhere around 99/119/80 in Nathans 9010 I did.

 

[mettee]

Didn't know there were any?

Yeah big rubber debating shoes

 

[mettee]

But I hain't even run it yet.

Okay run it real quick and toss her in the mail.

 

[Nutball]

I noticed when I got it that the paint on the starter cover was bubbly, and sure enough it is flaking off. Dark gray magnesium underneath.

 

[Nutball]

The terrible burning smell was coming from the exhaust gasket.

Needs a new tank vent filter, the foam has no cohesion.





Stock:
EX 100
TR 120
IN 70
SQ .026"
BG .019"

In this recipe the 9010 gets boiled in totally awesome with some 395 & 2511

 

[old_sir_henry]

Needs a new tank vent filter, the foam has no cohesion.

should be a $1 or $2 item, part number is 957114011

 

[qurotro]

Just cut a piece from some other things..

 

[old_sir_henry]

The spare part I mentioned also includes retaining ring and duck bill.
if it were just the foam @qurotro is probably right

 

[Wilhelm]

No sir. I just can't seem to tune those Dolkitas worth a dam.
It's well known. Lol

Simply use a tach, tune to just shy of coil limit.
If still four stroking in the cut under load lean her out more by tiny increments.

Seems to work OK for me.
Cheap 10-25$ tach off eBay does the trick.

 

[Stefaan]

Fun with the little ones at the woodpile.

Pretty strong saws for their displacement. The 4300 is muffler modded and the 431 is muffler modded and slightly ported. Really liking the 4300. Only cost me €300 and use it way more than any other saw I own.

 

[qurotro]

The spare part I mentioned also includes retaining ring and duck bill.
if it were just the foam @qurotro is probably right

I think only the foam parts deteriorated. Pull the ring out and clean out the remains. Cut some foam and stuck it in there. Installed the retainning clip and call it the day.

 

[Stefaan]

Cookie cutting with the dcs431 and ea4300. Didn't bother timing the cuts, because they feel pretty equal.

 

[Stefaan]

Anybody who has worked on a dolmar ps9000/9010 could tell me what that lip is for on the upper part on the intake side? And if doing portwork, should it be removed or not?