MANUFACTURED BY: |  | STIHL ANDREAS MASCHINENFABRIK |
 | | STUTTGART, GERMANY |
SERIES OR ASSEMBLY NUMBER: | | 1110 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1967 |
YEAR DISCONTINUED: | | 1975 |
ENGINE DISPLACEMENT: | | 61 ccm (3.72 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 44mm (1.72 in.) |
PISTON STROKE: | | 40mm (1.57 in.) |
PISTON RING THICKNESS: | | 1.5 mm, 2 rings used |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 3.7 (5.5 HP @ 7,000 R.P.M. DIN) |
WEIGHT: | | 6.2 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 HS 29A, B, C, D,
HS-77A, B, C, HS-87A, HS-100A, HS-138A, HS-208A |
MAJOR REPAIR KIT: | | RK-21HS for HS-87A, HS-100A
RK-23HS for all HS-29A, all HS-77, HS-138, HS-208A |
MINOR REPAIR KIT: | | DG-3HS for HS-87A, HS-100A
DG-5HS/T for all HS-29, all HS-77, HS-138A, HS-208A |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Automatic rewind (Fairbanks Morse type) |
OIL PUMP: | | Automatic |
MAXIMUM ENGINE RPM: | | 6,500 to 7,000 under load, free 11,000 |
IDLE RPM: | | 2,800 |
IGNITION TIMING: | | 2.5mm (0.1 in.) before TDC |
BREAKER POINT SETTING: | | 0.4mm (0.016 in.) |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | Bosch WKA175T6 |
SPARK PLUG GAP: | | 0.51mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 560ml |
FUEL OIL RATIO: | | 20:1 after break in. |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Castrol 2-stroke SAE40 |
CHAIN PITCH: | | 3/8 in., optional .404 in., 0.050 gauge |
CHAIN TYPE: | | Stihl |
BAR MOUNT PATTERN: | | 31 link |
SHORTEST GUIDE BAR SUPPLIED: | | 35cm (14 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 63cm (25 in.) |
COLOUR SCHEME: | | Grey with Red top cover |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |