Author Topic: Jonsered 111s  (Read 2400 times)

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Offline Peter Davies

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Re: Jonsered 111s
« Reply #10 on: January 07, 2013, 08:23:36 pm »
Hi 660magnum, I'm thinking about spark plug gap. A guess would be 0.030 inches? 30 thou we call that on this side of the pond (England). Good to hear it should run on modern mixture. 50:1 with Stihl oil??

Offline 660magnum

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Re: Jonsered 111s
« Reply #11 on: January 07, 2013, 08:53:50 pm »
That oil and mixture is pretty much a standard for many people. Just make sure it is Stihl ULTRA if you are going to run 50:1

The standard spark plug gap for many years has been .5mm or .020".
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Offline Peter Davies

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Re: Jonsered 111s
« Reply #12 on: January 09, 2013, 05:11:08 pm »
Attached are factory specs for 111S. Might be of interest!

Offline Cut4fun .

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Re: Jonsered 111s
« Reply #13 on: January 09, 2013, 05:51:56 pm »
Attached are factory specs for 111S. Might be of interest!

Nice. Thanks for posting link.


Jonsered 111S
MANUFACTURED BY: JONSEREDS FABRIKERS AB PARTILLE, SWEDEN SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1973 YEAR DISCONTINUED: 1980 ENGINE DISPLACEMENT: 110cc NUMBER OF CYLINDERS: 1 CYLINDER BORE: 56mm PISTON STROKE: 45mm CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: 4.8kW @ 7600 rpm WEIGHT : 9.2 kg (20-1/4 lbs.) powerhead only OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Pagani CARBURETOR: Tillotson HS-112 series

MAJOR REPAIR KIT: RK-23HS MINOR REPAIR KIT: DG-5HS/T AIR FILTER SYSTEM: Nylon mesh cartridge STARTER TYPE: Jonsereds automatic rewind OIL PUMP: Automatic, worm gear driven OPERATING RPM: 10,100 IGNITION TIMING: 3.8mm before TDC BREAKER POINT SETTING: 0.3 to 0.4mm FLYWHEEL/COIL AIR GAP: 0.3 mm (0.012 in.) SPARK PLUG TYPE: Bosch WS7F SPARK PLUG GAP: 0.5mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 1.2 litres FUEL OIL RATIO: 25:1 RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Two-cycle chain saw mix oil CHAIN PITCH: .404 in. CHAIN TYPE: Chipper BAR MOUNT PATTERN: 18 link SHORTEST GUIDE BAR SUPPLIED: 58cm (23 in.) LONGEST GUIDE BAR SUPPLIED: 89cm (35 in.) COLOUR SCHEME: Red and Silver enamel
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Offline Magnus

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Re: Jonsered 111s
« Reply #14 on: January 10, 2013, 05:37:18 am »
Attached are factory specs for 111S. Might be of interest!
Were did you find these spec's?
Chainsaw nut!

Offline Peter Davies

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Re: Jonsered 111s
« Reply #15 on: January 11, 2013, 09:54:10 am »
Hi there, the specs were sent to me by dealer support at Husqvarna UK.

Offline Peter Davies

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Re: Jonsered 111s
« Reply #16 on: January 12, 2013, 01:27:59 pm »
can't get the 111s to start; kidding ouselves that we see smoke, but it's not even firing. I'm thinking spark. Is there a HT module from another machine/manufacturer that will fit??

Offline Peter Davies

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Re: Jonsered 111s
« Reply #17 on: January 24, 2013, 12:05:35 pm »
Now, how about the ignition on the 111s? What is the points gap? Are new points available? Look forward to your help, yet again!

Peter Davies

Offline 660magnum

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Re: Jonsered 111s
« Reply #18 on: January 24, 2013, 12:13:39 pm »
The gap is between .2mm and .3mm or essentially .010" on the points.

Point gap will have some effect on the timing on these. The variable is .008" to .012"
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Offline Peter Davies

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Re: Jonsered 111s
« Reply #19 on: January 26, 2013, 01:47:14 pm »
Can do 10 thou on the points, but what about setting up the back plate; that has about +/- 7 degrees. The high point on the cam appears to be just before the keyway; does that mean that when the cam follower is on the keyway, the engine is at top dead center? Adjusting timing after the flywheel is installed looks impossible? Your help, as always, much appreciated. Peter Davies

 

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