Author Topic: 10 cube 10ci 090 stihl  (Read 639 times)

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Offline Cut4fun

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10 cube 10ci 090 stihl
« on: January 11, 2017, 12:25:13 pm »
I know I had a thread on these ole stihl 090 10 cube saws somewhere  :-\. Maybe it was in the  racesaws days.

Anyhow here is a big bore 090 a ole racer is getting restored and rebuilt from the racing days.

The pic is the 10ci piston on bottom with a 66mm on top.



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Offline Cut4fun

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Re: 10 cube 10ci 090 stihl
« Reply #1 on: January 11, 2017, 12:27:06 pm »
More pics

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Offline RoyM

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Re: 10 cube 10ci 090 stihl
« Reply #2 on: January 11, 2017, 01:24:30 pm »
OOOF!! That would be a real beast although the cylinder walls must be very thin. What carburetor would work on something like that?
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Offline HolmenTree

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Re: 10 cube 10ci 090 stihl
« Reply #3 on: January 11, 2017, 02:39:46 pm »
The orignal standard HL Tillotson were usually used with the venturi bored out oversize. Hans Peter Stihl as a young man in the 1960's got heavily involved in the Go Kart scene with the Contra powerheads.
There was many more 10 cube 090 P/C's built then what we were told.
Alot of them got into the ultra light aviation field plus test model saws into the African jungles.
Making a living with a saw since age 16.
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Offline mdavlee .

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Re: 10 cube 10ci 090 stihl
« Reply #4 on: January 11, 2017, 03:12:56 pm »
The plating has had a rough life on that one looks like.
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Offline Cut4fun .

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Re: 10 cube 10ci 090 stihl
« Reply #5 on: January 11, 2017, 03:25:38 pm »
Just my WAG many years of not flushing real good.  Getting all the alky/nitro out of it on the flush.

Also surprised how thin the top of piston is over ring. Seen thicker then that break.
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Offline mdavlee .

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Re: 10 cube 10ci 090 stihl
« Reply #6 on: January 11, 2017, 07:42:39 pm »
That was something else I was wondering about.

Offline neil

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Re: 10 cube 10ci 090 stihl
« Reply #7 on: January 11, 2017, 08:27:50 pm »
I know I had a thread on these ole stihl 090 10 cube saws somewhere  :-\. Maybe it was in the  racesaws days.

Anyhow here is a big bore 090 a ole racer is getting restored and rebuilt from the racing days.

The pic is the 10ci piston on bottom with a 66mm on top.






Hi Kevin and folkz, been a while since I have been on this forum... Be real nice to find one of those beasts hidden somewhere, there must be a couple out here in Oz.
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Offline Eccentric

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Re: 10 cube 10ci 090 stihl
« Reply #8 on: January 12, 2017, 05:59:01 am »
That piston looks to me like it was set up for a Dykes ring, unlike the 66mm slug. Interesting.
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.

Offline Eccentric

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Re: 10 cube 10ci 090 stihl
« Reply #9 on: January 12, 2017, 06:01:08 am »
Neil good to see you posting here again.
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.

 

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