MANUFACTURED BY: |  | CRESCENT (NYMANBOLAGEN AB) |
 | | UPPSALA, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | 3138 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1961 |
YEAR DISCONTINUED: | | 1962 |
ENGINE DISPLACEMENT: | | 70 ccm (4.27 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 45 mm |
PISTON STROKE: | | 44 mm |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 4 hk |
WEIGHT: | | 8.5 kg |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Bosch |
CARBURETOR: | | Tillotson HL series (HL-113A??) |
MAJOR REPAIR KIT: | | nla |
MINOR REPAIR KIT: | | DG-1HL |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic mounted outboard of starter |
MAXIMUM ENGINE RPM: | | 6,400 |
IDLE RPM: | | |
IGNITION TIMING: | | 2 mm BTDC (0.0789 in.) |
BREAKER POINT SETTING: | | 0.4 mm (0.016 in.) |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | Bosch W 175 T1 |
SPARK PLUG GAP: | | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 700 ml |
FUEL OIL RATIO: | | 25:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two-cycle mix oil |
CHAIN PITCH: | | .404 in. |
CHAIN TYPE: | | Partner chipper |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 33 cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 45 cm (18 in.) |
COLOUR SCHEME: | | Orange enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |