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SOLD!!!! WTS Jonsered 2152
- Thread starter hoskvarna
- Start date
David Young
ArboristSite Guru
- Joined
- Nov 27, 2014
- Messages
- 677
- Age
- 42
That's a lot of compression! Pop up or milled head?
Best of luck looks like a sweet saw
Best of luck looks like a sweet saw
angelo c
Chooch
Crazy compression !!!
Nice saw.
Nice saw.
angelo c
Chooch
Btw...sorry about the job. Hope that works itself out for the better.
angelo c
Chooch
Something better is calling for you...just need to find out what that "something" is.
SDB777
I find unique timber and cut it up
Any video of it in wood?
Jonsereds are great saws....crazy compression! WOOHOO!
Scott (and a friendly bump) B
Jonsereds are great saws....crazy compression! WOOHOO!
Scott (and a friendly bump) B
Hope I'm not raining on the parade, but from all the posts I've read, deleting the base gasket on a 346xp sets the squish at 0.013". It is suggested to run squish at 0.017". This usually results in 170 psi compression. The "crazy compression" could also indicate the squish is reduced beyond 0.017".
The 2152 I believe is similar to the 353, which itself is very similar to the 346xp. Whoever buys this saw might want to check the squish, and ask if it is in acceptable tolerances for longevity on this saw.
If i remember correctly ,it was at .021 or .022.
homelite 410 helped me on this ,he would not let that go if had been that close.
If that is wanted i will sure check it.
Im not tryin to pull one over on anybody,thats the last thing I want here.
homelite 410 helped me on this ,he would not let that go if had been that close.
If that is wanted i will sure check it.
Im not tryin to pull one over on anybody,thats the last thing I want here.
That's a generous offer. If the squish checks out I can't explain that kind of compression, unless some oil was dribbled into the spark plug hole to help seal the ring? Most 50cc saws don't need a decomp, good thing this has one.
After the post was made i retested the comp,and measured the sqish.
I dont know why comp is lower but the first test was at 90+deg,the 2nd one(this pic)was at 68deg.
Will that temp difference cause this?
Can someone with more experience explain this?
thanks
Hmm, I think if the saw has sat vs recently ran can make a difference, mostly because a recently ran saw will have oil on the cylinder walls and seal better, and if 'just ran' a warm saw will have expanded rings which close down the ring gap and create a better seal. But the change in weather shouldn't affect it too much. Changes in weather can affect the tune of a saw, or the pressure in the gas tank though.
175psi seems a little high on a stock 2152 (husky 353), especially one that is used. I'd expect close to 150 on a new one. But it's good to know that this saw has better compression than your brother's saw. Likewise, 195psi on a stock Dolmar 5105 (50cc?) is also pretty high, and would, in theory, definitely require a decomp button.
Chalk it up to husky inflating numbers on their saws with their gauges (ie, I think your gauge may be off).
Ronaldo
Addicted to ArboristSite
If I remember correctly from other posts here and elsewhere, the Dolmars(especially 5105's and 6100's)are known to have high compression in stock form. This is one reason they use their Easy Start system, so 195psi in stock form is very likely. I am not saying the guage is off or spot on.....just saying.
How does a guy know if his comp. guage is reading accurately anyway?
How does a guy know if his comp. guage is reading accurately anyway?
Yes, I've seen reports that it is high in stock form too, but not 195psi.
Generally you won't know unless you have three gauges. When I had one, I was sure of my compression, until someone cast doubt on my gauge. So I acquired a second gauge that proved a different measurement from the first gauge. Now I didn't know which gauge to believe. It wasn't until I borrowed a third gauge that I had a consensus to determine which gauge was mostly accurate and which was off.