STIHL 045 AV.

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY SERIES OR ASSEMBLY NUMBER: 1115 YEAR INTRODUCED: 1974 YEAR DISCONTINUED: ENGINE DISPLACEMENT: 75ccm (4.57 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 50mm (2.0 in.) PISTON STROKE: 38mm (1.52 in.) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: WEIGHT: 8.4kg with 33cm bar & chain 18.48 lbs. with 13 in. bar & chain OPERATOR CONFIGURATION: One man operation HANDLEBAR SYSTEM: Anti-vibration CHAIN BRAKE: Optional CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Bosch (Thyristor electronic ignition) CARBURETOR: Tillotson HS-118B series MAJOR REPAIR KIT: RK-21HS MINOR REPAIR KIT: DG-3HS/T AIR FILTER SYSTEM: Wire gauze element STARTER TYPE: Stihl automatic rewind OIL PUMP: Automatic MAXIMUM ENGINE RPM: IDLE RPM: IGNITION TIMING: 2.7mm (0.108 in.) before TDC 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 SPARK PLUG GAP: 0.5mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 820ml FUEL OIL RATIO: 40:1 with Stihl oil RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil CHAIN PITCH: 3/8 in. CHAIN TYPE: Stihl BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 33cm (13 in.) LONGEST GUIDE BAR SUPPLIED: 50cm (25 in.) COLOUR SCHEME: Grey with Red top

STIHL 08.

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY SERIES OR ASSEMBLY NUMBER: 1108 YEAR INTRODUCED: 1963 YEAR DISCONTINUED: ENGINE DISPLACEMENT: 50 ccm (3.2 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 44 mm (1.735 in.) PISTON STROKE: 34 mm (1.29 in.) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: 3 WEIGHT: 8.6 kg OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Bosch flywheel type CARBURETOR: Tillotson HL-166B, C, HL-292B series MAJOR REPAIR KIT: RK-114HL MINOR REPAIR KIT: DG-5HL AIR FILTER SYSTEM: Nylon mesh element STARTER TYPE: Automatic rewind (Fairbanks Morse type) OIL PUMP: Automatic MAXIMUM ENGINE RPM: IDLE RPM: IGNITION TIMING: 0.2 mm (0.08 in.) before TDC BREAKER POINT SETTING: 0.4mm (0.016 in.) FLYWHEEL/COIL AIR GAP: Position is fixed SPARK PLUG TYPE: Bosch W175T1 SPARK PLUG GAP: 0.51 mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 750 ml (1.45 pints) FUEL OIL RATIO: 20:1 after break in. RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Castrol 2-stroke SAE 40 CHAIN PITCH: .404 in. CHAIN TYPE: Oregon Chipper BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 33 cm (13 in.) LONGEST GUIDE BAR SUPPLIED: 43 cm (17 in.) COLOUR SCHEME: Grey with Red air filter cover/rear handle

STIHL BL

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY YEAR INTRODUCED: 1950 YEAR DISCONTINUED: 1959 ENGINE DISPLACEMENT: 125 ccm (7.6 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER TYPE: Aluminum with replaceable steel liner INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: 4.5 WEIGHT: 16kg OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Gear reduction CONSTRUCTION: Sand cast mangesium MAGNETO TYPE: Flywheel type CARBURETOR: All position OIL PUMP: Automatic CHAIN TYPE: Stihl scratcher BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 40cm (16 in.) LONGEST GUIDE BAR SUPPLIED: 80cm (32 in.) COLOUR SCHEME: Grey and Black enamel

STIHL 090.

Model: 090 AV

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER: 1109
ENGINE DISPLACEMENT: 137ccm (8.36 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 66mm (2.6 in.) PISTON STROKE: 40mm (1.57mm) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: WEIGHT: 14.7kg with 53cm bar & chain 32.4 lbs. with 21 in. bar & chain OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Anti-vibration CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Bosch electronic CARBURETOR: Tillotson HL-244A, HL-324A series MAJOR REPAIR KIT: RK-113HL MINOR REPAIR KIT: DG-5HL AIR FILTER SYSTEM: Nylon mesh cartridge STARTER TYPE: Stihl automatic rewind OIL PUMP: Automatic with manual assist MAXIMUM ENGINE RPM: 8,000 IDLE RPM: IGNITION TIMING: fixed BREAKER POINT SETTING: none FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: Bosch WSR6F SPARK PLUG GAP: 0.5mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Needle roller FUEL TANK CAPACITY: 2.29 pints FUEL OIL RATIO: 40:1 with Stihl oil RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil CHAIN PITCH: .404 in. optional 1/2 in. CHAIN TYPE: Stihl BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 53cm (21 in.) LONGEST GUIDE BAR SUPPLIED: 150cm (59 in.) COLOUR SCHEME: Stihl Grey enamel with Red top cover

STIHL RBB 50.

ENGINE AND BOW WITH THE SAME UNIT CAME IN 35CM AND 50CM VERSION (STIHL RBB Benzine Bügel-35-50cm bow). THIS IS THE 50CM SAW....RARE SAW WITH LIMITED INFORMATION.

MANUFACTURED BY:STIHL ANDREAS MASCHINENFABRIK, STUTTGART, GERMANY
YEAR INTRODUCED:1952
ENGINE DISPLACEMENT:125 ccm
NUMBER OF CYLINDERS:1
WEIGHT:22kg
OPERATOR CONFIGURATION:One Man operation
HANDLEBAR SYSTEM:Rigid
CHAIN BRAKE:none
DRIVE TYPE:Gear reduction

STIHL BLK

BLK stands for Benzin (petrol) - Leicht (light) - Klein (handy, compact).

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1954 YEAR DISCONTINUED: 1973 ENGINE DISPLACEMENT: 98 ccm (6.0 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 54mm (2.16 in.) PISTON STROKE: 46mm (1.8 in.) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Reed valve MANUFACTURER ADVERTISED H.P.: 3.5 WEIGHT : 11kg (24.2 lbs.) OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Bevel gear transmission CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Bosch MZ/UP 1/115/2 CARBURETOR: Tillotson HL-36A (early models used Bing) MAJOR REPAIR KIT: na MINOR REPAIR KIT: DG-1HL AIR FILTER SYSTEM: STARTER TYPE: Automatic rewind OIL PUMP: Automatic, worm gear driven OPERATING RPM: 5,500 produced chain speed of 11m/sec IGNITION TIMING: 3.0mm before TDC BREAKER POINT SETTING: 0.4mm (0.016 in.) FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: Bosch W 225 T 7 SPARK PLUG GAP: 0.51mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: 4 ball type FUEL TANK CAPACITY: FUEL OIL RATIO: 25:1 for first 100 hours, 30:1 thereafter RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Castrol 2-stroke SAE 40 CHAIN PITCH: 1/2 in. CHAIN TYPE: Chipper BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 30cm (12 in.) LONGEST GUIDE BAR SUPPLIED: 61cm (24 in.) COLOUR SCHEME: Red enamel

STIHL 07S

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY SERIES OR ASSEMBLY NUMBER: 1107 YEAR INTRODUCED: 1965 YEAR DISCONTINUED: ENGINE DISPLACEMENT: 75 ccm (4.57 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 50 mm (2.0 in.) PISTON STROKE: 38 mm (1.50 in.) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: 4.5 HP @ 7,500 R.P.M. DIN WEIGHT : 10 kg with 40 cm bar & chain 22 lbs. with 17 in bar & chain OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Bosch flywheel type CARBURETOR: Tillotson HL-155B series MAJOR REPAIR KIT: RK-114HL MINOR REPAIR KIT: DG-5HL AIR FILTER SYSTEM: Nylon mesh element STARTER TYPE: Automatic rewind (Fairbanks Morse type) OIL PUMP: Automatic OPERATING RPM: 7,000 to 7,500 IGNITION TIMING: 2.8 mm (0.112 in.) before TDC BREAKER POINT SETTING: 0.4 mm (0.016 in.) FLYWHEEL/COIL AIR GAP: Position is fixed SPARK PLUG TYPE: Bosch W175T1 SPARK PLUG GAP: 0.51 mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 1 litre (2.1 pints) FUEL OIL RATIO: 20:1 after break in RECOMMENDED FUEL OCTANE: Regular MIX OIL SPECIFICATION: Castrol 2-stroke SAE 40 CHAIN PITCH: .404 in. CHAIN TYPE: Oregon Chipper BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 43 cm (17 in.) LONGEST GUIDE BAR SUPPLIED: 53 cm (21 in.) COLOUR SCHEME: Grey with Red carburetor shroud and bar clamp

STIHL 031 AV.

HISTORY: Stihl chainsaw with the owners manual. It has not been used in 30 + years and was used one winter to cut firewood ( softwood ) back when we imagined we would make a life in the interior of B.C. in either '75 or '76 Cheers, Gertrude in Ottawa
MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER: 1113 YEAR INTRODUCED: YEAR DISCONTINUED: ENGINE DISPLACEMENT: 48 ccm (2.93 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 44 mm (1.73 in.) PISTON STROKE: 32 mm (1.26 in.) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: WEIGHT : 6.6 kg (14.5 lbs.) powerhead only OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Anti-vibration CHAIN BRAKE: Optional CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Electronic CARBURETOR: Tillotson HU-3G series MAJOR REPAIR KIT: RK-14HU MINOR REPAIR KIT: DG-2HU AIR FILTER SYSTEM: Nylon mesh cartridge STARTER TYPE: Automatic rewind OIL PUMP: Automatic OPERATING RPM: IGNITION TIMING: 2.0 to 2.3 mm (0.008 to 0.009 in.) before TDC BREAKER POINT SETTING: none FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: Bosch WSR6F, Champion RCJ7Y SPARK PLUG GAP: 0.51 mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 540 ml (18.25 fl. oz.) FUEL OIL RATIO: 40:1 with Stihl oil RECOMMENDED FUEL OCTANE: Regular grade MIX OIL SPECIFICATION: Stihl two-cycle chain saw mix oil CHAIN PITCH: 3/8 in. CHAIN TYPE: Stihl BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 35 cm (14 in.) LONGEST GUIDE BAR SUPPLIED: 50 cm (20 in.) COLOUR SCHEME: Grey with Orange top cover

STIHL BLK57 and STIHL BLK 58.

BLK 57





MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1954 YEAR DISCONTINUED: 1973 ENGINE DISPLACEMENT: 98 ccm (6.0 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 54 mm (2.16 in.) PISTON STROKE: 46 mm (1.8 in) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Reed valve MANUFACTURER ADVERTISED H.P.: 3.5 WEIGHT : 11 kg (24.2 lbs.) OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Bevel gear transmission CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Bosch MZ/UP 1/115/2 CARBURETOR: MAJOR REPAIR KIT: MINOR REPAIR KIT: AIR FILTER SYSTEM: STARTER TYPE: Automatic rewind OIL PUMP: Automatic, worm gear driven OPERATING RPM: 5,500 IGNITION TIMING: 3.0 mm before TDC BREAKER POINT SETTING: 0.4 mm (0.016 in.) FLYWHEEL/COIL AIR GAP: Positon is fixed SPARK PLUG TYPE: Bosch W 225 T 7 SPARK PLUG GAP: 0.51 mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: 4 ball type FUEL TANK CAPACITY: FUEL OIL RATIO: 25:1 for first 100 hours, 30:1 thereafter RECOMMENDED FUEL OCTANE: Regular grade MIX OIL SPECIFICATION: Castrol 2-stroke SAE 40 CHAIN PITCH: 1/2 in. CHAIN TYPE: Stihl BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 30 cm (12 in.) LONGEST GUIDE BAR SUPPLIED: 61 cm (24 in.)

STIHL BLK 58


MANUFACTURED BY:STIHL ANDREAS MASCHINENFABRIK,STUTTGART, GERMANY
YEAR INTRODUCED:1956
YEAR DISCONTINUED:1965
ENGINE DISPLACEMENT:105 ccm
NUMBER OF CYLINDERS:1
CYLINDER TYPE:Aluminum with chrome plated bore
INTAKE METHOD:Reed valves
MANUFACTURER ADVERTISED H.P.:4.5PS
WEIGHT :11 kg (24.2 lbs.)
OPERATOR CONFIGURATION:One Man operation
HANDLEBAR SYSTEM:Rigid
CHAIN BRAKE:none
CLUTCH:Centrifugal
DRIVE TYPE:Bevel gear transmission
CONSTRUCTION:Die cast magnesium
MAGNETO TYPE:Bosch
CARBURETOR:Tillotson
STARTER TYPE:Automatic rewind
OIL PUMP:Automtaic, worm gear driven
OPERATING RPM:5,500 produced chain speed of 11m/sec
BREAKER POINT SETTING:0.4 mm (0.016 in.)
FLYWHEEL/COIL AIR GAP:Position is fixed
SPARK PLUG TYPE:Bosch W 225 T 7
SPARK PLUG GAP:0.51 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:4 ball type
FUEL OIL RATIO:25:1 for first 100 hours, 30:1 thereafter
RECOMMENDED FUEL OCTANE:Regular grade
MIX OIL SPECIFICATION:Castrol 2-stroke SAE 40
CHAIN PITCH:1/2 in.
CHAIN TYPE:Chipper
SHORTEST GUIDE BAR SUPPLIED:30 cm (12 in.)
LONGEST GUIDE BAR SUPPLIED:61 cm (24 in.)
COLOUR SCHEME:Red enamel

STIHL LIGHTNING. (America)

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK, STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER:1106
YEAR INTRODUCED:1959
ENGINE DISPLACEMENT:106 cc (6.47 cu. in.)
NUMBER OF CYLINDERS:1
CYLINDER BORE:58 mm (2.32 in.)
PISTON STROKE:40 mm (1.6 in.)
CYLINDER TYPE:Aluminum with chrome plated bore
INTAKE METHOD:Piston ported
MANUFACTURER ADVERTISED H.P.:
6 H.P. @ 7,000 R.P.M.
9 H.P. @ 6,500 R.P.M (North America)6PS
WEIGHT :12.2 kg with 43 cm bar & chain 26.4 lbs. with 17 in. bar & chain
OPERATOR CONFIGURATION:One Man operation
HANDLEBAR SYSTEM:Rigid
CHAIN BRAKE:none
CLUTCH:Centrifugal
DRIVE TYPE:Direct
CONSTRUCTION:Die cast magnesium
MAGNETO TYPE:Bosch flywheel type
CARBURETOR:Tillotson HL series
MAJOR REPAIR KIT:RK-88HL
MINOR REPAIR KIT:DG-5HL
AIR FILTER SYSTEM:Nylon mesh cartridge
STARTER TYPE:Automatic rewind (Fairbanks Morse type)
OIL PUMP:Manual
OPERATING RPM:5,500 to 7,000
IGNITION TIMING:2.8 mm (0.112 in.) before TDC
BREAKER POINT SETTING:0.4 mm (0.016 in.)
FLYWHEEL/COIL AIR GAP:Position is fixed
SPARK PLUG TYPE:Bosch W175T1, Champion L87Y, NGK B6H
SPARK PLUG GAP:0.51 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:Needle roller
FUEL TANK CAPACITY:1.1 Litres (2.32 pints)
FUEL OIL RATIO:16:1 after break in of 100 hours @ 12:1
RECOMMENDED FUEL OCTANE:Regular
MIX OIL SPECIFICATION:Castrol 2-cycle SAE 40
CHAIN PITCH:.404 in.
CHAIN TYPE:Oregon 52C
BAR MOUNT PATTERN:19 link
SHORTEST GUIDE BAR SUPPLIED:43 cm (17 in.)
LONGEST GUIDE BAR SUPPLIED:83 cm (33 in.)
COLOUR SCHEME:Grey enamel with Red plastic top cover

STIHL CONTRA. (European)

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK, STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER:1106
YEAR INTRODUCED:1959
ENGINE DISPLACEMENT:106 ccm (6.47 cu. in.)
NUMBER OF CYLINDERS:1
CYLINDER BORE:58 mm (2.32 in.)
PISTON STROKE:40 mm (1.6 in.)
CYLINDER TYPE:Aluminum with chrome plated bore
INTAKE METHOD:Piston ported
MANUFACTURER ADVERTISED H.P.:
6 H.P. @ 7,000 R.P.M.
9 H.P. @ 6,500 R.P.M.
WEIGHT :12 kg with 43 cm bar & chain
26.4 lbs. with 17 in bar & chain
OPERATOR CONFIGURATION:One Man operation
HANDLEBAR SYSTEM:Rigid
CHAIN BRAKE:none
CLUTCH:Centrifugal
DRIVE TYPE:Direct
CONSTRUCTION:Die cast magnesium
MAGNETO TYPE:Bosch flywheel type
CARBURETOR:Tillotson HL-112A, B, C, D series
MAJOR REPAIR KIT:RK-88HL
MINOR REPAIR KIT:DG-5HL
AIR FILTER SYSTEM:Nylon mesh element
STARTER TYPE:Automatic rewind
OIL PUMP:Manual
OPERATING RPM:6,500 to 7,000
IGNITION TIMING:2.8mm (0.112 in.) before TDC
BREAKER POINT SETTING:0.4mm (0.016 in.)
FLYWHEEL/COIL AIR GAP:Position is fixed
SPARK PLUG TYPE:Bosch W175T1, Champion L87Y, NGK B6H
SPARK PLUG GAP:0.51mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:Needle roller
FUEL TANK CAPACITY:1.1 litres (2.32 pints)
FUEL OIL RATIO:16:1 after break in of 100 hours @ 12:1
RECOMMENDED FUEL OCTANE:Regular
MIX OIL : Castrol 2-cycle SAE 40
CHAIN PITCH:.404 in.
CHAIN TYPE:Oregon
SHORTEST GUIDE BAR SUPPLIED:43cm (17 in.)
LONGEST GUIDE BAR SUPPLIED:83cm (33 in.)
COLOUR SCHEME:Grey with Red plastic top cover

STIHL KS 43.

MANUFACTURED BY: STIHL ANDREAS MASCHINENFABRIK STUTTGART, GERMANY SERIES OR ASSEMBLY NUMBER: YEAR INTRODUCED: 1943 YEAR DISCONTINUED: 1971 ENGINE DISPLACEMENT: 247 ccm (15.07 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 68mm (2.67 in.) PISTON STROKE: 68mm (2.67 in.) CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: 8.5 WEIGHT: 37.5kg (82.5 lbs.) OPERATOR CONFIGURATION: Two Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Bevel gear transmission CONSTRUCTION: Die cast magnesium MAGNETO TYPE: CARBURETOR: Bing 1/24 MAJOR REPAIR KIT: nla MINOR REPAIR KIT: nla AIR FILTER SYSTEM: STARTER TYPE: Stihl automatic rewind OIL PUMP: Automatic MAXIMUM ENGINE RPM: IDLE RPM: IGNITION TIMING: BREAKER POINT SETTING: FLYWHEEL/COIL AIR GAP: SPARK PLUG TYPE: Bosch M145 T1 SPARK PLUG GAP: 0.51mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: FUEL TANK CAPACITY: FUEL OIL RATIO: RECOMMENDED FUEL OCTANE: MIX OIL SPECIFICATION: CHAIN PITCH: CHAIN TYPE: Stihl BAR MOUNT PATTERN: SHORTEST GUIDE BAR SUPPLIED: 60cm (24 in.) LONGEST GUIDE BAR SUPPLIED: 250cm (100 in.)