Yamaha PZ50RTX, Owner'S Manual, Page: 19 / 92

Control functions
13
After the knocking has stopped, the knock
control system “KCS” indicator light goes off.
CAUTION:
ECS00030
●
If the knock control system “KCS” indi-
cator light comes on, the fuel tank may
not have been filled with the recom-
mended fuel. Reduce the engine speed
to 6000 r/min or less. As soon as possi-
ble, stop the engine, let it cool sufficient-
ly, and then drain the fuel and refuel with
the recommended fuel.
●
If the knock control system “KCS” indi-
cator light is flashing, have a Yamaha
dealer inspect the snowmobile as soon
as possible.
NOTE:
To help prevent knocking, use premium un-
leaded gasoline only. (See page 23 for more
details.)
ESU10490
Drive “D” and reverse “R” indi-
cator lights
These indicator lights show whether the
snowmobile is shifted into drive or reverse.
The drive “D” indicator light comes on when
the transmission is in drive (forward).
The reverse “R” indicator light comes on when
the transmission is in reverse.
The snowmobile can be shifted into drive or
reverse by pushing the drive select switch.
(See page 16 for drive select switch opera-
tion.)
ESU10431
Fuel meter and grip/thumb
warmer level indicator
The fuel meter and grip/thumb warmer level
indicator have eight segments which show
the amount of fuel remaining in the fuel tank,
the grip warmer level, or the thumb warmer
level.
Fuel meter
The display segments of the fuel meter disap-
pear towards “E” (Empty) as the fuel level de-
creases. When only one segment is left near
“E”, the fuel level warning indicator and the
warning light come on.
1. Knock control system “KCS” indicator light 1. Drive “D” indicator light
2. Reverse “R” indicator light
1. Fuel meter and grip/thumb warmer level in-
dicator
U8GK11E0.book Page 13 Wednesday, April 11, 2007 9:51 AM