Yamaha JT1 Series Service Manual page 15

b Install a O 1 mm adiustment shim where the
adJustment plate was
c Reinstall the adjustment plate lock nut. and
measure minimum stroke When the gap allows
a
O 20
mm, feeler gauge to enter but does
not allow a O 25 mm. the stroke
1s
correctly
adiusted
Stroke adJustment tolerance .... Q.20 to 0.25 mm.
YAMAHA
AUTOLUBE·Handling of the Oil Pump
Fig 2-3-4
2-3-2 Carburetor and Autolube CiJble Adjustment
Follow the preceedmg
in
section 2-3-1 steps to check minimum stroke. and adJust 11 1f incorrect Then ad1ust the
pump and carburetor as described m the steps below
I I Throttle
Cable
Adjustment
a AdJust the carburetor with the engine at
td!e. and remove all but 1 mm of slack
from cable B
9 To bring the play of the throttle cable into
correct adJustment. loosen or tighten the
throttle cable adiustment screw
• To check this adiustment lightly pull throttle
cable
B.
and engine speed should slightly
increase from 1dlmg r.p.m. after 1 mm
of travel.
b Next. adJust throttle cable(A) so that the
gap as shown
in
Fig 2-3-6 be!ow w1!! bE
between 0,5 and 1 0 mm (0 02 ,..__,0 04
in~
e
Check the p!ay of the throttle cable (A)
by pu!hng on the outer part of the throttle
cable If the play 1s excessive or msuff1cent.
ad1ust the play using the odiustor.
- 9 -
Throttle cable 8
Fig 2-3-5
Throttle cable(A)
Fig 2-3-6
Adjusting play of the throttle
cable B to 1 mm,(0,04 in.)
Look nut
Adjustor
Lock nut
Cable guide(A)
+-landle grip