Engine Characteristics; Capacities; Electrical System Characteristics - Gilera SMT RCR 633793 Service Station Manual

SMT RCR
Engine
Specification
Stroke
Cubic capacity
Compression ratio
Carburettor
Engine idle speed
Air filter
Start-up
Transmission
Gearbox
Speeds
Lubrication
Fuel supply
Cooling system

Capacities

Specification
Fuel Tank
Oil mixer tank
cooling circuit
Transmission oil
Electrical system
1
2 Ignition advance (at TDC)
3
4
5
6
7
8
9
Type
Bore
Inlet
C
E
LECTRICAL SYSTEM
Specification
Ignition type
Spark plug
Headlight
Rear lights
Turn indicators
Battery
Fuse
Generator
E
NGINE
Desc./Quantity
single-cylinder, two-stroke
Dell'Orto PHVA-17.5 with manual starter
1900 ± 100 rpm
sponge impregnated with a mixture 50% oil (Selenia Air Filter
Oil) and 50% unleaded petrol.
Main ratio: 3.7 (78/21)
RCR final ratio: 4.7 (53/13)
SMT final ratio: 3.78 (53/14)
At 6 speeds with selector, fork and distribution drum operated
by external control
First Speed 11/34
Second Speed 15/30
Third Speed 18/27
Fourth Speed 20/24
Fifth Speed 22/23
Sixth Speed 23/22
Separate oiling, mixture oil.
Petrol-oil mixture by carburettor, automatic mixer (variable flow
according to engine speed and throttle valve opening)
By means of a compression valve on the casing
forced coolant circulation system
APACITY
Desc./Quantity
Reserve 1.3 l
Capacity 1 l / Reserve 0.25 l
Capacitive discharge electronic ignition, with
incorporated HV coil
Magneto flywheel in alternating current
Characteristics
40 mm
39.88 mm
49 cm³
11.5 :1
With pedal
Chain
Capacity 7 l /
~ 0.850 l
0.65 l
Desc./Quantity
1.2 mm
NGK B8 ES
12 ÷ 35/35 W
12V ÷ 21/5W
12V ÷ 10W
12V - 4Ah
4A
CHAR - 9