Model Profile: JUNIOR MK-1

Model: JUNIOR MK-1

MANUFACTURED BY:		DANARM UK
		STROUD, GLOUCESTERSHIRE, ENGLAND
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
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.