1G-28 Fuel System:
6) Under above condition, position the TP sensor until
resistance is 2.66 – 4.94 kΩ.
7) When the resistance is within specification, tighten
the TP sensor mounting screws.
Tightening torque
TP sensor screw (a): 2.0 N·m (0.2 kgf-m, 1.5 lb-
ft)
8) Connect the TP sensor coupler.
Carburetor Synchronization
B649G11706010
Check and adjust the carburetor synchronization among
the four carburetors as follows.
Use of Digital Vacuum Tester
1) Remove the fuel tank. Refer to “Fuel Tank Removal
and Installation: ”.
2) Connect a remote fuel bottle to the fuel hose.
3) Remove the vacuum hose (1) (for fuel valve) and
install a proper cap to the three way joint.
4) Start up the engine and run it in idling condition for
warming up.
5) Stop the warmed-up engine.
6) Remove a proper cap and connect the digital
vacuum tester hose to the three way joint.
7) Remove the vacuum inlet caps from the carburetors
(for cylinders #1, #2 and #3).
8) Connect the vacuum tester hoses to these vacuum
inlets.
9) Connect a tachometer and start up the engine.
10) Check or bring the engine rpm to engine idle speed
by the throttle stop screw (2).
Engine idle speed
1 300 ± 100 r/min (E-28)
1 200 ± 100 r/min (Others)
(a)
I649G1170067-01
I649G1170068-01
1
I649G1170069-01
I649G1170070-01
I649G1170071-01
2
I649G1170072-01
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