MANUFACTURED BY: |  | LOMBARD |
 | | ASHLAND, MASS., U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1967 |
YEAR DISCONTINUED: | | 1976 |
ENGINE DISPLACEMENT: | | 4.2 cu. in. (68.8 ccm) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 1.87 in. (47.5 mm) |
PISTON STROKE: | | 1.50 in. (38.8 mm) |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with CHROME plated bore |
INTAKE METHOD: | | Reed valves |
MANUFACTURER ADVERTISED H.P.: | | Not advertised |
WEIGHT: | | 13 lbs. 11 oz. with 16 in. bar & chain |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal, 2 shoes |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Sand cast MAGNESIUM |
MAGNETO TYPE: | | Wico flywheel type |
CARBURETOR: | | Tillotson HS series |
MAJOR REPAIR KIT: | | RK-23HS |
MINOR REPAIR KIT: | | DG-5HS/T |
AIR FILTER SYSTEM: | | Cellulose fiber element (Dacron felt) |
STARTER TYPE: | | Lombard automatic rewind |
OIL PUMP: | | Manual |
MAXIMUM ENGINE RPM: | | 7,000 to 8,000 under load |
IDLE RPM: | | |
IGNITION TIMING: | | 30 degrees before TDC |
BREAKER POINT SETTING: | | 0.015 in. (0.38 mm) |
FLYWHEEL/COIL AIR GAP: | | Position is fixed |
SPARK PLUG TYPE: | | Champion CJ6 |
SPARK PLUG GAP: | | 0.025 in. (0.63 mm) |
CRANKSHAFT MAIN BEARINGS: | | Caged needle roller |
FUEL TANK CAPACITY: | | 20 fl. oz. (590 ml) |
FUEL OIL RATIO: | | 1/2 pint to 1 gallon |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Lombard two-cycle mix oil |
CHAIN PITCH: | | 3/8 in. |
CHAIN TYPE: | | Oregon 72D |
BAR MOUNT PATTERN: | | 10 link |
SHORTEST GUIDE BAR SUPPLIED: | | 12 in. (30 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 20 in. (50 cm) |
COLOUR SCHEME: | | Metallic Blue with White enamel paint, later version
Allis Chalmers Orange and White |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |