MANUFACTURED BY: |  | HYRY (AUTO-KONEISTAMO OY) |
 | | HELSENKI, FINLAND |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1959 |
YEAR DISCONTINUED: | | 1964 |
ENGINE DISPLACEMENT: | | 90 cc |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 52 mm |
PISTON STROKE: | | 42 mm |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | |
INTAKE METHOD: | | Reed valve |
MANUFACTURER ADVERTISED H.P.: | | 6 |
WEIGHT: | | 11.5 kg with bar & chain |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | |
CARBURETOR: | | Tillotson HL series (HL-72A?) |
MAJOR REPAIR KIT: | | nla |
MINOR REPAIR KIT: | | DG-1HL |
AIR FILTER SYSTEM: | | |
STARTER TYPE: | | |
OIL PUMP: | | Manual |
MAXIMUM ENGINE RPM: | | 6,000 |
IDLE RPM: | | |
IGNITION TIMING: | | 3.0 mm before TDC |
BREAKER POINT SETTING: | | |
FLYWHEEL/COIL AIR GAP: | | 0.45 to 0. 50 mm |
SPARK PLUG TYPE: | | Lodge CC14 |
SPARK PLUG GAP: | | |
CRANKSHAFT MAIN BEARINGS: | | |
FUEL TANK CAPACITY: | | 1.3 Litres |
FUEL OIL RATIO: | | 20:1 |
RECOMMENDED FUEL OCTANE: | | |
MIX OIL SPECIFICATION: | | |
CHAIN PITCH: | | |
CHAIN TYPE: | | |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | |
LONGEST GUIDE BAR SUPPLIED: | | |
COLOUR SCHEME: | | Blue with White enamel
some were built with complete RED paint job |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |