SWM Superdual 2021 - Technical Specifications; Engine Details; Front Suspension System

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TECHNICAL DATA
ENGINE
Type .....................single cylinder, 4 stroke
Cooling ................Liquid with double radiator
and heater fan
Bore ....................................3.94 in.
Stroke ...................................3.01 in.
Displacement ..........................36.6 cu.in.
Compression ratio .........................12,4:1
Starting ................................electric
TIMING SYSTEM
Type ..................double overhead camshaft
chain operated; 4 valve
Valve clearance (with engine cold)
Intake and exhaust .............0.004 ÷ 0.006 in.
LUBRICATION
Type ..........with lobe pump and cartridge filter
IGNITION
Type ........................Electronic, inductive
with adjustable advance (digital control)
Spark plug type ...................... NGK CR8EB
Spark plug gap .................. 0.027 ÷ 0.031 in.
FUEL SYSTEM
Type .....................Electronic injection feed
PRIMARY DRIVE
Drive pinion gear .............................Z 32
Clutch ring gear .............................Z 75
Transmission ratio ..........................2,343
CLUTCH
Type .................oil bath multiple disc clutch,
hydraulic control
TRANSMISSION
Type ...................constant mesh gear type
Transmission ratio
1
st
gear ............................2,615 (z 34/13)
2
nd
gear ...........................1,812 (z 29/16)
3
rd
gear ............................1,350 (z 27/20)
4
th
gear ...........................1,091 (z 24/22)
5
th
gear ..........................0,957 (z 22/23)
6
th
gear ..........................0,880 (z 22/25)
SECONDARY DRIVE “T”
Transmission sprocket .......................Z 15
Rear wheel sprocket .......................Z 38
Transmission ratio ......................... 2,533
Transmission chain dimensions ..........5/8”x1/4”
SECONDARY DRIVE “X”
Transmission sprocket .......................Z 15
Rear wheel sprocket .......................Z 40
Transmission ratio ............................2,
Transmission chain dimensions ..........5/8”x1/4”
FINAL RATIOS “T”
1
st
gear ...................................15,529
2
nd
gear ..................................10,762
3
rd
gear ....................................8,016
4
th
gear ...................................6,477
5
th
gear ...................................5,679
6
th
gear ...................................5,225
FINAL RATIOS “X”
1
st
gear ...................................16,334
2
nd
gear ...................................11,318
3
rd
gear ....................................8,432
4
th
gear ...................................6,814
5
th
gear ...................................5,977
6
th
gear ...................................5,496
CHASSIS
Type ......Single-beam, steel circular cross-section
pipes; rear chassis in steel
square cross-section pipes
FRONT SUSPENSION
Type ....“Upside-down” telescopic hydraulic front
fork with advanced axle (adjustable in
compression and extension); tubes ø 1.69 in.
Leg axis stroke ..........................8.62 in.