Idling Speed Adjustment; Throttle Cable Adjustment - Yamaha VMX12H Supplementary Service Manual

I D LI N G SPEED A D JU STM EN T/
TH R O TTLE C A B LE A D JU STM EN T
2 - 1 3
V acuum S ynchronous D ifference:
2. 66 kPa ( 30 m m H g, 0. 79 i n H g)
* R epeat t he above st eps t o synchr oni ze
car bur et or N o. 3 t o car bur et or N o. 4 by
t ur ni ng synchr oni zi ng
bot h gauges read t he sam e.
• R epeat the sam e steps to synchronize N o. 4
car bur et or t o N o. 2 car bur et or , t hen t ur n
synchr oni zi ng scr ew "C " unt i l bot h gauges
read t he sam e.
I D LE SPEED A D JU STM EN T
1. Adj ust
• I dl e speed
W arm up t he engi ne and t urn t he t hrot t l e
st op screw t o adj ust .
TH R O TTLE C A B LE A D JU STM EN T
NO TE:
B efore adjusting the throttle cable free play, the
engi ne i dl i ng speed shoul d be adj ust ed.
1. C heck:
*Throt t l e cabl e f ree pal y
O ut of speci f i cat i on
2. A dj ust :
*Throt t l e cabl e f ree pl ay
B y the follow ing adjustm ent steps,
Throttle cable adjustm ent steps:
• Loosen the locknut
t he adj ust er cl ockw i se or count er-
cl ockw i se unt i l proper f ree pl ay i s at t ai ned.
* Ti ght en t he l ocknut ,
scr ew "B " unt i l
Adj ust .
I
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