Technical Data - Husqvarna SMR 450-R 2009 Manual De Uso Y Mantenimiento

TECHNICAL DATA

ENGINE
single cylinder, 4 stroke
Type .....................................................
Cooling............................................................................
Bore
(450).....................................................................3,81 in.
Bore (530) ....................................................................3,94 in.
Stroke (450)..................................................................2,39 in.
Stroke (530)..................................................................2,67 in.
Displacement (450) .................................................27,39 cu.in.
Displacement (530).................................................32,50 cu.in.
Compression ratio (450) .................................................13,6:1
Compression ratio (530) ....................................................13:1
Starting ........................ electric (with automatic decompressor)
Exhaust .................Made of TITANIUM (mufflers and manifolds)
TIMING SYSTEM
double overhead camshaft; 4 valve
Type....................................
Valve clearance (with engine cold)
Intake ..............................................................0,004÷0,006 in.
Exhaust
...........................................................0,006÷0,008 in.
LUBRICATION
Type ........ dry sump with two oil pump rotor and cartridge filter
IGNITION
Type C.D.I. electronic, with variable advance (digital control)
Spark plug type
.....................................................NGK CR9EKB
Spark plug gap .........................................................0,0315 in.
FUEL SYSTEM
Type .................... Carburettor "Keihin" FCR-MX 41 with acceleration pump and
liquid
throttle position sensor
Choke tube diameter .............................................................................1,61 in.
High speed jet ............................................................................................180
Low speed jet ...............................................................................................45
Starting jet .................................................................................................85
Starting air jet .........................................................................................mm 4
Main air jet .................................................................................................200
Low air jet ...................................................................................................100
Floater.....................................................................................................g 11,2
Gas valve ...................................................................................................15M
Metering pin...........................................................................................OBDVR
Metering pin slot ........................................................................................5th
Idle mixture adjusting screw .........................................................rounds 1+1⁄2
PRIMARY DRIVE
Drive pinion gear- Clutch ring gear ..........................................................Z 23- Z 63
Transmission ratio...........................................................................................2,739
CLUTCH
Type. ...........................................oil bath multiple disc clutch, hydraulic control
TRANSMISSION
Type.............................................................................constant mesh gear type
Transmission ratio
1st gear...................................................................................2,000 (z 28/14)
2nd gear...................................................................................1,611 (z 29/18)
3rd gear...................................................................................1,333 (z 24/18)
4th gear...................................................................................1,086 (z 25/23)
5th gear ..................................................................................0,920 (z 23/25)
6th gear...................................................................................0,814 (z 22/27)
SECONDARY DRIVE
Transmission sprocket- Rear wheel sprocket .........................................Z 13/42
Transmission ratio ..........................................................................................3,230
Transmission chain ...................................................."DID" 520MXV - 5/8" x 1/4"
TOTAL SPEEDS
1st gear .....................................................................................17,699
2st gear ....................................................................................14,257
3st gear .....................................................................................11,799
4st gear .......................................................................................9,619
5st gear .......................................................................................8,141
6th gear ......................................................................................7,211
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