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Model: JUNIOR MK-1

MANUFACTURED BY:
DANARM UK
STROUD, GLOUSTERSHIRE, ENGLAND
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1944
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
98cc (5.98 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
50mm
PISTON STROKE:
50mm
PISTON RING THICKNESS:
CYLINDER TYPE:
Cast Iron
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
1.5
WEIGHT:
24.9kg (55 lbs.)
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Manual, two plate cork insert type
DRIVE TYPE:
Chain reduction
CONSTRUCTION:
Sand cast aluminum
MAGNETO TYPE:
Villiers flywheel type
CARBURETOR:
Villiers (junior type)
MAJOR REPAIR KIT:
n/a
MINOR REPAIR KIT:
n/a
AIR FILTER SYSTEM:
Shredded metal
STARTER TYPE:
Rope
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
0.250 in before TDC
BREAKER POINT SETTING:
0.38mm (0.015 in. )
FLYWHEEL/COIL AIR GAP:
position is fixed
SPARK PLUG TYPE:
Lodge CB3
SPARK PLUG GAP:
0.018 in. to 0.025 in.
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
20:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Castrol XL oil
CHAIN PITCH:
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
Blue enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Engine by Villiers

Restoration by Marshall Trover
B&W Danarm illustration of the Junior from an unusual angle
A series of black and white Original Danarm photographs of the Junior being put through its paces.

 

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