jurchybald
Well-Known OPE Member
- Local time
- 3:06 AM
- User ID
- 15451
- Joined
- Jan 22, 2021
- Messages
- 38
- Reaction score
- 78
- Location
- Slovenia
Hello good people,
Im having difficulties with ms261. Brand new saw. Ported a cylinder for 261cm and found lean condition after. Did vac/pressure test, changed carb and still the same. Then I put this ported cylinder on brand new 261, delete limiters on carb and give it all the fuel necessary. Fresh fuel with good oil, right mix and everything. Still the same.
Pics showing jug after 2 min of runtime. I can easily scotch brite it to perfection but Im worried what would happen if I run it.
So my question is what have I missed. No obvious air leak, carb is tuned, how can this be? Saw is running just fine, idling well, four stroking before limiter kicks in.
And to make it even more confusing, new jug, not ported, from 261 that I put on 261cm had the same marks after few minutes running. Wtf??
Im having difficulties with ms261. Brand new saw. Ported a cylinder for 261cm and found lean condition after. Did vac/pressure test, changed carb and still the same. Then I put this ported cylinder on brand new 261, delete limiters on carb and give it all the fuel necessary. Fresh fuel with good oil, right mix and everything. Still the same.
Pics showing jug after 2 min of runtime. I can easily scotch brite it to perfection but Im worried what would happen if I run it.
So my question is what have I missed. No obvious air leak, carb is tuned, how can this be? Saw is running just fine, idling well, four stroking before limiter kicks in.
And to make it even more confusing, new jug, not ported, from 261 that I put on 261cm had the same marks after few minutes running. Wtf??