Author Topic: 3120 unlimited coil source  (Read 1595 times)

0 Members and 1 Guest are viewing this topic.

Offline snowsalot

  • 3 cube
  • *
  • Posts: 16
  • Karma: 2
3120 unlimited coil source
« on: March 10, 2016, 09:09:30 pm »
I currently use my 3120 for milling. I am milling softwood only. The saw is constantly bouncing of the limiter, it annoys the hell out of me. Does anyone have a source for an unlimited coil for the 3120.
Also i would like to do some mods but it has the non adjustable carburetor, any ideas on substitute carbs or modifying the existing carb,

Share on Facebook Share on Twitter


Offline 660magnum

  • Global Moderator
  • Nitro Hotsaw
  • *******
  • Posts: 6437
  • Karma: 249
  • For The Love Of Chainsaws
  • Location: NCO
Re: 3120 unlimited coil source
« Reply #1 on: March 10, 2016, 09:27:04 pm »
The saw would be better off to get the high speed needle put in the carburetor so the saw runs rich enough that it doesn't get up against the limiter.

The saw will last longer and run cooler.
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

Offline 660magnum

  • Global Moderator
  • Nitro Hotsaw
  • *******
  • Posts: 6437
  • Karma: 249
  • For The Love Of Chainsaws
  • Location: NCO
Re: 3120 unlimited coil source
« Reply #2 on: March 10, 2016, 10:05:26 pm »
Here's the high speed jet in the carb . . .

We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

Offline Cut4fun .

  • Administrator
  • Nitro Hotsaw
  • *******
  • Posts: 21870
  • Karma: 521
  • OHIO REDNECK Saw Repair Getter Done
    • Redneck Chainsaw Repair
Re: 3120 unlimited coil source
« Reply #3 on: March 11, 2016, 12:18:21 pm »
I hated my stock one with the low rev limited coil too.  272 coil and flywheel re-time.  http://chainsawrepair.createaforum.com/husqvarna/husqvarna-3120-coil-swap-272/msg54932/#msg54932

Milling I would think you would want fatter. Open up carb a hair or add a  H side like Jim showed.

REDNECK Saw Repair Getter Done

Offline snowsalot

  • 3 cube
  • *
  • Posts: 16
  • Karma: 2
Re: 3120 unlimited coil source
« Reply #4 on: March 12, 2016, 07:13:22 am »
I believe that mine is limited at 9500 rpm it really seems like it is just puttering along. I would really like it  to turn faster. It's a  3120xp only about 5 years old not many hours on it. I have done a lot of searching online recently. I saw a post somewhere  about the newer xp possibly not needing a timing adjustment after installing a 272 coil. Not sure if that's the case.



Sent from my SM-T330NU using Tapatalk


Offline Cut4fun .

  • Administrator
  • Nitro Hotsaw
  • *******
  • Posts: 21870
  • Karma: 521
  • OHIO REDNECK Saw Repair Getter Done
    • Redneck Chainsaw Repair
Re: 3120 unlimited coil source
« Reply #5 on: March 12, 2016, 07:20:22 am »
One way to find out. :)

Let us know what you find out when you try it.
REDNECK Saw Repair Getter Done

Offline 660magnum

  • Global Moderator
  • Nitro Hotsaw
  • *******
  • Posts: 6437
  • Karma: 249
  • For The Love Of Chainsaws
  • Location: NCO
Re: 3120 unlimited coil source
« Reply #6 on: March 12, 2016, 07:34:30 am »
The posts I was reading on A S talked about the coil limiting speed being 12000?
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

Offline mdavlee .

  • Global Moderator
  • Nitro Hotsaw
  • *******
  • Posts: 1968
  • Karma: 171
Re: 3120 unlimited coil source
« Reply #7 on: March 13, 2016, 07:54:40 am »
There's a 9600 and 12k coil. The 12k isn't bad at all. The 9600 sucks.

Offline EHP

  • Gas Hotsaw
  • ******
  • Posts: 589
  • Karma: 72
Re: 3120 unlimited coil source
« Reply #8 on: March 14, 2016, 08:29:05 am »
if the coil is green its the low limiter , 9600 to 10000 rpms and sucks to run the saw, black coils also vary in rpms with some in the lower 11,000 to 12000 rpms . Donot put a unlimited coil in it as you will most likely break the rod as that is a weak spot on the 3120 . If you need to put a black coil in it but you will need to change the flywheel to the one that works with the black coil , green coil flywheel timed a lot different.

Offline 660magnum

  • Global Moderator
  • Nitro Hotsaw
  • *******
  • Posts: 6437
  • Karma: 249
  • For The Love Of Chainsaws
  • Location: NCO
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
Be all that you can be . . .

 

Related Topics

  Subject / Started by Replies Last post
4 Replies
1226 Views
Last post February 28, 2015, 11:59:49 am
by Cut4fun
43 Replies
972 Views
Last post January 26, 2016, 01:16:30 pm
by Cut4fun .
8 Replies
256 Views
Last post January 22, 2014, 11:23:10 pm
by jockeydeuce
17 Replies
1239 Views
Last post February 14, 2014, 10:46:23 am
by 660magnum
12 Replies
2005 Views
Last post March 27, 2016, 01:48:26 pm
by gregh
8 Replies
146 Views
Last post April 27, 2014, 01:11:55 pm
by KilliansRedLeo
23 Replies
898 Views
Last post November 04, 2014, 03:13:07 pm
by bloodontheice
7 Replies
150 Views
Last post December 15, 2014, 01:28:20 pm
by 660magnum
4 Replies
387 Views
Last post September 21, 2015, 02:15:01 pm
by jeff.lary
16 Replies
918 Views
Last post May 06, 2017, 10:33:19 am
by Cut4fun .