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SPECIFICATIONS
Engine
4-stroke, twin cylinder
Cylinder configuration ................................ 90° V-twin
Bore: ................................................................ 92 mm
Stroke: ............................................................. 80 mm
Capacity: ....................................................... 1064 cc
Compression ratio: ............................................. 9.8:1
Timing system
With rods and rockers taking up clearance by means
of hydraulic valve tappets and 2 valves per cylinder.
One camshaft in the crankcase driven by duplex chain
with automatic chain tensioner.
Feed system
Indirect electronic injection, timed sequential MAGNETI
MARELLI, 2 throttle valves Ø 40 mm with Weber IW031
injectors, electric pump with pressure regulator, digital
control of optimised injection times.
Exhaust system
In stainless steel - 2 tubes equipped with balancing bar,
connected to an expansion chamber and two silencers
catalytic converter.
Lambda probe for exhaust gas control is fitted in the
expansion chamber.
USA and Australia versions are not equipped
with catalytic exhaust system.
Lubrication
Pressure fed by gear pump
Wire mesh and cartridge filters on oil sump
Normal lubrication pressure 3.8÷4.2 kg/cm2 (pressure
valve on oil sump).
Low oil pressure sensor (electrical) on crankcase.
Generator / Alternator
On front of crankshaft.
Output power: 350W at 5000 rev./min. (14V - 25A).
Ignition
"MAGNETI MARELLI" Inductive discharge digital
electronics.
Spark plugs: ..................................... NGK BPR 6 ES.
Spark plug gap: .............................................. 0.7 mm
2 ignition coils .............................. mounted on frame.
Starter
Electric starter motor 12V-1,2 Kw with electromagnetic
ratchet control. Ring gear on the flywheel. START «
push-button on right handlebar.
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