Throttle Body Balancing; Typical Analyser Display; Typical Display Ofi Imbalanced Throttles - Triumph T595 DAYTONA Service Manual

9 FUEL SYSTEM/ENGINE MANAGEMENT

THROTTLE BODY BALANCING

NOTE:
• In order to. accurately balance the throttle
bodies, Triumph recommend the use of the
digital inlet vacuum analyser or
Souriau Indiana
another similar device. Although mercury
columns or analogue gauges will allow
balancing of the throttle bodies, use of a digital
meter will allow a more accurate balance to be
achieved.
1. Remove the fuel tank and airbox as described
elsewhere in this section.
2. Disconnect the idle air control hoses from the
throttle bodies.
Position the analyser in a position that it can be
3.
easily read and attach the hoses to the idle air
control ports on the throttle bodies.
4. Remove the sealer from the adjustment screws.
WARNING: If the engine has recently
been running, the components beneath
the fuel tank cover may be hot to the touch.
Contact with the hot components may cause
damage to exposed skin. To avoid skin damage,
always allow the hot parts to cool before hose
disco
nnection/connectio

Typical Analyser Display

NOTE:
• The hose connections on the tool are marked 1,
2, 3 etc. denoting which cylinder they should be
connected to. When connecting the hoses to
the throttles, ensure that hose 1 is connected to
cylinder number one etc. Cylinder 1 is on the
left hand side of the motorcycle.
n.
C^ ^^
gahe
1. Analyser marking
2. Throttle body connections
5. Temporarily refit the fuel tank and reconnect the
fuel hoses and fuel pump connection.
6. Attach an exhaust extraction hoses to the
silencer.
7. Start the engine.
NOTE:
• Throughout the balancing procedure, it will be
necessary to open the thro
prevent the engine from stalling. This is
because the idle air control system has been
disconnected to allow attachment of the
analyser hoses.
Using the throttle twist grip, hold the engine
8.
speed at approximately 1200 RPM.
Select the bar chart display on the analyser and
9.
assess which cylinders require adjustment.
o
gahx !
Typical display ofi im^balanced throttles.
9.94
Tke2vff
1
^.^ cam.
tt
le slightly to