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Model: MARK 1

MANUFACTURED BY:
DANARM UK
STROUD, GLOUSTERSHIRE, ENGLAND
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1940
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
250 cc (15.25 cu. in.) (Villiers Mk. 19A)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
63 mm (2.48 in.)
PISTON STROKE:
83 mm (3.26 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Cast Iron
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
OPERATOR CONFIGURATION:
Two Man operation
HANDLEBAR SYSTEM:
Rigid 2-man
CHAIN BRAKE:
none
CLUTCH:
Manual dry plate
DRIVE TYPE:
Bevel gear transmission
CONSTRUCTION:
Sand cast aluminum
MAGNETO TYPE:
Villiers
CARBURETOR:
Villiers float type
MAJOR REPAIR KIT:
n/a
MINOR REPAIR KIT:
n/a
AIR FILTER SYSTEM:
Wire maze element
STARTER TYPE:
Rope
OIL PUMP:
Gravity feed built into tailstock
MAXIMUM ENGINE RPM:
3,000 to 3,600
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
SPARK PLUG GAP:
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
12:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 40
CHAIN PITCH:
.750 in.
CHAIN TYPE:
Danarm scratcher
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
39 in. (1 meter)
LONGEST GUIDE BAR SUPPLIED:
58 in. (1.45 meters)
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Most units built were for Military Use


Colour photographs courtesy Marco Schuiling collection

 

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