STIHL The Official Stihl Chainsaws Thread

[lehman live edge slab]

I’m sure to have a 021 or 023 motor you can have.

No the 250/025 is a longer stroke, the 021/210 and 023/230 are the same stroke different bore. The 023/230 is the same bore as a 250 but has the 021/210 stroke. But his cylinder ect is probably fine so if he gets a crank out of a 021-023 you can put it back together.

 

[singinwoodwackr]

No the 250/025 is a longer stroke, the 021/210 and 023/230 are the same stroke different bore. The 023/230 is the same bore as a 250 but has the 021/210 stroke. But his cylinder ect is probably fine so if he gets a crank out of a 021-023 you can put it back together.

Will the complete motors all fit the cases?
I’ll have to go through the several misc 1123 motors I have in a box. Some are in pieces, some intact
I know there are some 021/23 cranks in there

 

[singinwoodwackr]

Will the complete motors all fit the cases?
I’ll have to go through the several misc 1123 motors I have in a box. Some are in pieces, some intact
I know there are some 021/23 cranks in there

I have a bag of misc easy start parts as well

So, IPL shows the 21 as a separate animal but with same 40mm piston as the 23. Different cranks, however. 23 a stroked 21?
25 and 23 share the same crank but 42.5mm vs 40mm pistons
Housing/case is the same but the easy start has its own version.

 

[lehman live edge slab]

Yes the housings are all the same, flywheels are different due to stroke on some and i believe easy start saws have different timing than standard. But if he gets an 021/210 crank he can reuse the rest, in a previous post I think I said that a 23 crank would work but made a mistake in putting that. Only the 021-210 crank will work, 23 and 25 same stroke with the different bore. I have an 021 cylinder that I used an 025 crank in and basically made an 023 with a set squish of 20 thousandths. The saw runs and has good compression but still working out the port numbers to get it to run really well or at least I hope I can make it do well. Had to take some off the squish band and 100 thousands off piston to get the 025 crank to work in the 021 cylinder.

 

[Maintenance Chief]

038 rim clutch drum fit an 028 ? It's been a minute since I was working on an 028.

 

[hacskaroly]

038 rim clutch drum fit an 028 ? It's been a minute since I was working on an 028.

I believe so, I've worked on a couple of 026's and they had 3/8 chain on them.

 

[lehman live edge slab]

I believe so, I've worked on a couple of 026's and they had 3/8 chain on them.

They come either way, 3/8” or .325 my 91 model came with 3/8” but .325 was an option. I now have .325 on it but no the 038 takes a full size rim and an 026 takes stihls micro rim sprocket. The micro rim is smaller than the standard small one on saws like the 346 xp husky.

 

[Sloughfoot]

038 rim clutch drum fit an 028 ? It's been a minute since I was working on an 028.

Are 026 and 028 drums the same?

 

[hacskaroly]

an 026 takes stihls micro rim sprocket

I did not pay attention to that I guess, I do know that my 261 takes the full size sprocket (change the .325 to a 3/8 on it) but I guess that is a difference between the older ones and the newer ones. Or maybe I changed out the drum on the 026 with a newer one that uses the full size rim. I can't remember.

 

[jacktheripper]

Are 026 and 028 drums the same?

I believe 028 is a different design with the gear driven oiler

 

[lehman live edge slab]

I believe 028 is a different design with the gear driven oiler

Yes gear drive oiler like the 038 and 45 ect

 

[Duane(Pa)]

I did not pay attention to that I guess, I do know that my 261 takes the full size sprocket (change the .325 to a 3/8 on it) but I guess that is a difference between the older ones and the newer ones. Or maybe I changed out the drum on the 026 with a newer one that uses the full size rim. I can't remember.

I've had a bunch of 261's None of mine had std. full size rim. They all had/have Stihl's proprietary inner spline. The choices are 3/8-7, .325-7 and .325-8. Anything else would require an aftermarket drum. It will be small too, just not AS small as the Stihl

 

[Duane(Pa)]

038 rim clutch drum fit an 028 ? It's been a minute since I was working on an 028.

Nope

 

[Duane(Pa)]

Are 026 and 028 drums the same?

No.

 

[sawmikaze]

I've had a bunch of 261's None of mine had std. full size rim. They all had/have Stihl's proprietary inner spline. The choices are 3/8-7, .325-7 and .325-8. Anything else would require an aftermarket drum. It will be small too, just not AS small as the Stihl

P7/8 fit as well.

 

[Duane(Pa)]

P7/8 fit as well.

Forgot about those. The P8 was hard to find, but I had one for a bit.

 

[sawmikaze]

Forgot about those. The P8 was hard to find, but I had one for a bit.

If you need one I have a few, I'll never use them.