MANUFACTURED BY: |  | JONSEREDS FABRIKERS AB |
 | | PARTILLE, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 2001 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 70 ccm (4.3 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 50 mm (1.97 in.) |
PISTON STROKE: | | 36 mm (1.42 in.) |
PISTON RING THICKNESS: | | 1 ring used |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 3.9 kw (5.3 hp) @ 9,600 rpm |
WEIGHT: | | 2171 model 6.1 kG (13.4) powerhead only
2171W model 6.3 kG (13.9 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Inertia acrivated |
CLUTCH: | | Centrifugal, 3 metal shoes |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Injection molded Polymer, die cast magnesium |
MAGNETO TYPE: | | FHP CD flywheel type |
CARBURETOR: | | Walbro HD-12 |
MAJOR REPAIR KIT: | | K10-HD |
MINOR REPAIR KIT: | | D10-HD |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Automatic rewind, |
OIL PUMP: | | Automatic gear driven |
MAXIMUM ENGINE RPM: | | 13,500 maximum no load |
IDLE RPM: | | 2,700, clutch engages at 3,500 |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.3 mm (0.010 in.) |
SPARK PLUG TYPE: | | Champion RCJ7Y |
SPARK PLUG GAP: | | 005 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 770 ml |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular automotive |
MIX OIL SPECIFICATION: | | Jonsered 2-cycle chainsaw type |
CHAIN PITCH: | | 3/8 in., 0.058 in gauge |
CHAIN TYPE: | | Oregon 73LG or 73JG |
BAR MOUNT PATTERN: | | 17 link |
SHORTEST GUIDE BAR SUPPLIED: | | 38 cm (15 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 71 cm (28 in.) |
COLOUR SCHEME: | | RED with BLACK |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |