2007 YAMAHA GIGGLE50 check engine

6-12
1
2
3
4
5
6
7
8
9
EAU17226
PERIODIC MAINTENANCE AND MINOR REPAIR
EAUT1990
Replacing the air filter elementThe air filter element must be replaced
and the check hoses must be cleaned
at the intervals specified in the periodic
maintenance and lubrication char t.
Have a Yamaha dealer replace the air
filter element. Air filter element, replacing
Throttle cable free play, checking
Valve clearance
EAU21401
Valve clearanceThe valve clearance changes with use,
resulting in improper air-fuel mixture
and/or engine noise. To prevent this from
occurring, the valve clearance must be
adjusted by a Yamaha dealer at the in-
tervals specified in the periodic mainte-
nance and lubrication chart.
EAU21382
Checking the throttle cable
free playThe throttle cable free play should mea-
sure 1.5 ~ 3.5 mm (0.06 ~ 0.14 in) at
the throttle grip. Periodically check the
throttle cable free play and, if necessary,
have a Yamaha dealer adjust it.
15P-F8199-E0_ch6.pmd2007/06/21, 11:09 12

6-19
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EAU17226
PERIODIC MAINTENANCE AND MINOR REPAIR
ZAUM00**
EAU23290
Checking the wheel bearingsThe front and rear wheel bearings must
be checked at the intervals specified in
the periodic maintenance and lubrica-
tion chart. If there is play in the wheel
hub or if the wheel does not turn
smoothly, have a Yamaha dealer check
the wheel bearings. Steering, checking
Wheel bearings, checking
EAU23280
Checking the steeringWorn or loose steering bearings may
cause danger. Therefore, the operation
of the steering must be checked as fol-
lows at the intervals specified in the
periodic maintenance and lubrication
char t.
1. Place a stand under the engine to
raise the front wheel off the ground.
EWA10750
wSecurely support the motorcycle so
that there is no danger of it falling
over.2. Hold the lower ends of the front fork
legs and try to move them forward
and backward. If any free play can
be felt, have a Yamaha dealer
check or repair the steering.
15P-F8199-E0_ch6.pmd2007/06/21, 11:09 19

6-25
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EAU17226
PERIODIC MAINTENANCE AND MINOR REPAIR
Troubleshooting charts
EAU42700
Troubleshooting chartsStarting problems or poor engine performance
EWA10840
wKeep away open flames and do not smoke while checking or working on the fuel system.
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plug
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and charge the battery if necessary.
DryWet
Operate the electric starter.
15P-F8199-E0_ch6.pmd2007/06/21, 11:09 25

6-26
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EAU17226
PERIODIC MAINTENANCE AND MINOR REPAIREngine overheating
EWAT1040
w● ●● ●
●
Do not remove the radiator cap when the engine and radiator are hot. Scalding hot fluid and steam may be
blown out under pressure, which could cause serious injury. Be sure to wait until the engine has cooled.
● ●● ●
●
Place a thick rag, like a towel, over the radiator cap, and then slowly rotate the cap counterclockwise to the
detent to allow any residual pressure to escape. When the hissing sound has stopped, press down on the cap
while turning it counterclockwise, and then remove the cap.
NOTE:
If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended
coolant as soon as possible.
Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer checkand repair the cooling system.Add coolant. (See NOTE.)
Start the engine. If the engine overheats again,
have a
Yamaha dealer check
and repair the cooling system.
There is
leakage.
There is
no leakage.
15P-F8199-E0_ch6.pmd2007/06/21, 11:09 26

INDEX
AAcceleration and deceleration ................. 5-2
Air filter element, replacing .................... 6-12BBattery.................................................... 6-20
Brake lever free play, adjusting .............. 6-15
Brake lever, front ...................................... 3-6
Brake lever, rear ....................................... 3-6
Brake levers, lubricating......................... 6-17
Brake shoes, checking ........................... 6-16
Braking..................................................... 5-2CCare .......................................................... 7-1
Catalytic converter ................................... 3-8
Centerstand, checking and lubricating .. 6-18
Coolant................................................... 6-10
Coolant temperature warning light ........... 3-3DDimmer switch.......................................... 3-5EEngine break-in........................................ 5-3
Engine oil................................................. 6-7
Engine trouble warning light .................... 3-3FFinal transmission oil............................... 6-9
Front fork, checking............................... 6-18
Fuel .......................................................... 3-7
Fuel gauge............................................... 3-4
Fuel tank cap........................................... 3-6
Fuse, replacing ...................................... 6-21HHandlebar switches .................................. 3-5
Headlight bulb, replacing....................... 6-22
Helmet holder........................................... 3-9High beam indicator light ......................... 3-3
Horn switch .............................................. 3-5
IIdentification numbers.............................. 9-1
Indicator and warning lights ..................... 3-2KKey identification number ......................... 9-1
Keyhole cover ........................................... 3-2
Kickstarter ................................................ 3-8LLuggage hook.......................................... 3-9MMain switch/steering lock ......................... 3-1
Maintenance, periodic .............................. 6-1
Model label............................................... 9-2PPanels, removing and installing............... 6-5
Parking..................................................... 5-3
Part locations........................................... 2-1
Periodic maintenance and lubrication
chart ....................................................... 6-2
Pre-operation check list ........................... 4-2RRear brake lever free play, adjusting ..... 6-16SSafe-riding points ..................................... 1-4
Safety information .................................... 1-1
Seat.......................................................... 3-9
Spark plug, checking ............................... 6-6
Specifications........................................... 8-1
Speedometer unit..................................... 3-4
Start switch .............................................. 3-5
Starting off ................................................ 5-2
Starting the engine ................................... 5-1Steering, checking ................................. 6-19
Storage ..................................................... 7-3
Storage compartment ............................ 3-10
TTail/brake light bulb, replacing................ 6-23
Throttle cable free play, checking .......... 6-12
Throttle grip and cable, checking and
lubricating............................................ 6-17
Tires ....................................................... 6-13
Troubleshooting...................................... 6-24
Troubleshooting charts ........................... 6-25
Turn signal indicator light......................... 3-3
Turn signal light bulb, replacing............. 6-24
Turn signal switch ..................................... 3-5VValve clearance ...................................... 6-12
Vehicle identification number ................... 9-1WWheel bearings, checking ...................... 6-19
Wheels................................................... 6-15
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