The
Aprilia ETV 1000 CAPONORD was the first trail bike in the world
to be fitted with a variable geometry aluminium perimeter frame
(Aprilia's Double Wave Aluminium Beam frame). The DWAB frame
is manufactured from extruded box section aluminium alloy profiles
welded to aluminium-magnesium castings. The rear swingarm is
also in aluminium-magnesium alloy and features a cold cast central
section, extruded arms and forged terminals.
The engine of the Aprilia ETV 1000 Caponord is derived from
the unit that powers the racing RSV, but has been thoroughly
modified for touring. In the ETV 1000 Caponord the V twin demonstrates
all its versatility. Powerful and aggressive on the RSV, on
the CAPONORD this engine is extremely fluid and flexible, with
smooth power delivery.
Aprilia ETV 1000 Caponord engine features:
- Longitudinal 60° V twin engine (a particularly short, compact
design), with four valves per cylinder and double overhead cam
with mixed chain and gear drive.
- Sagem electronic fuel injection. The injection control unit
is connected to a sensor that reads crankshaft position every
10° of rotation, giving far more accurate control over injection
parameters and smoother running, particularly at low engine
speeds. Idling speed is automatically controlled by a feedback
system, so a choke lever is no longer required.
- CDI electronic ignition and TSI (Twin Spark Ignition), with
two spark plugs per cylinder. Ignition timing is controlled
by the integrated engine management system that also controls
fuel injection. This unit is completely different from that
fitted to the RSV 1000.
- Dry sump lubrication system. Dry sump lubrication allows crankcases
to be far more rigid and compact than on wet sump engines and
totally eliminates the risk of insufficient engine lubrication
under hard acceleration and fierce braking or in the event of
falls or wheelies.
- Different injection mapping for each cylinder to optimise
combustion. The engine management unit recognises twistgrip
opening and closing movements and uses the DIAC system (Dynamic
Ignition Advance Control) to adapt injection and ignition parameters
and maintain exceptionally smooth power delivery.
The ETV 1000 CAPONORD’s suspension system is similar to that
used on big racing enduros, but has been thoroughly calibrated
for maximum comfort at all times and under all conditions, from
motorways to dirt tracks.
- 50 mm Marzocchi fork with extended wheel travel (175 mm).
The fork’s hydraulic damping has been improved and a variable
action spring fitted. The new spring becomes firmer when the
fork enters the second half of its compression stroke. End of
stroke load is also up by 16%.
- SACHS rear monoshock with adjustable rebound and spring preload,
with APS (Aprilia Progressive System) rising rate suspension
linkages. The rear monoshock can be adjusted by a conveniently
located knob to match suspension action to all possible conditions
from full load touring to off-road solo riding.
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