MANUFACTURED BY: |  | DOLMAR Maschinen-Fabrik GmbH & Co. |
 |  | HAMBURG, GERMANY |
SERIES OR ASSEMBLY NUMBER: |  | 109 |
YEAR INTRODUCED: |  | 1985 |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 43 cc |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 40 mm |
PISTON STROKE: |  | 34 mm |
PISTON RING THICKNESS: |  | |
CYLINDER TYPE: |  | Aluminum with chrome plated bore |
INTAKE METHOD: |  | Piston ported |
MANUFACTURER ADVERTISED H.P.: |  | 2.8 DIN |
WEIGHT: |  | 10.2 lbs. (powerhead only) |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Anti-vibration |
CHAIN BRAKE: |  | Yes |
CLUTCH: |  | Centrifugal |
DRIVE TYPE: |  | Direct |
CONSTRUCTION: |  | Die cast magnesium, injection molded polymer |
MAGNETO TYPE: |  | Electronic |
CARBURETOR: |  | Tillotson HU-83C
Walbro WT-76
Walbro WT-374-1, 465-1 |
MAJOR REPAIR KIT: |  | RK-19HU for Hu-83C
K10-WAT for WT-76
K20-WAT for WT374, 465 |
MINOR REPAIR KIT: |  | DG-5HU for HU-83C
D10-WAT for WT-76 |
AIR FILTER SYSTEM: |  | Nylon mesh element |
STARTER TYPE: |  | Dolmar automatic rewind |
OIL PUMP: |  | Automatic, gear driven |
MAXIMUM ENGINE RPM: |  | 12,500 maximum free speed with bar & chain |
IDLE RPM: |  | |
IGNITION TIMING: |  | fixed |
BREAKER POINT SETTING: |  | none |
FLYWHEEL/COIL AIR GAP: |  | 0.2 to 0.3 mm (0.008 to 0.012 in.) |
SPARK PLUG TYPE: |  | Bosch WSR6F, NGK BPMR7A |
SPARK PLUG GAP: |  | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: |  | Roller |
FUEL TANK CAPACITY: |  | 560 ml |
FUEL OIL RATIO: |  | 40:1 |
RECOMMENDED FUEL OCTANE: |  | Regular grade |
MIX OIL SPECIFICATION: |  | Dolmar mix oil |
CHAIN PITCH: |  | .325 in. or 3.8 in Low Profile |
CHAIN TYPE: |  | |
BAR MOUNT PATTERN: |  | 03 link |
SHORTEST GUIDE BAR SUPPLIED: |  | 33 cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: |  | 45 cm (18 in.) |
COLOUR SCHEME: |  | Dolmar Orange |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |