13
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 IAW 15M “Alfa-N” system, 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 pipes connected to an expansion
chamber and two silencers.
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 elec-
tronics.
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.
