Checking The Spark Plugs; Checking The Fuel Line (Primary Injector); Checking The Fuel Line (Secondary Injector) - Yamaha R1 Series 2015 Service Manual

EAS30619
CHECKING THE FUEL LINE (Primary
injector)
The following procedure applies to all of the fuel,
drain and breather hoses.
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (2)" on page
4-7.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
2. Check:
• Fuel hose "1"
• Fuel tank drain hose "2"
• Fuel tank breather hose "3"
Cracks/damage
Loose connection
ECA14940
NOTICE
Make sure the fuel tank breather hose is rout-
ed correctly.
TIP
Before removing the fuel hoses, place a few
rags in the area under where it will be removed.
1
2
3. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (2)" on page
4-7.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS31633
CHECKING THE FUEL LINE (Secondary
injector)
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
Replace.
Connect properly.
3
PERIODIC MAINTENANCE
4-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (2)" on page
4-7.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
2. Check:
• Fuel hose "1"
Cracks/damage
Loose connection
TIP
Before removing the fuel hose, place a few rags
in the area under where it will be removed.
3. Install:
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (2)" on page
4-7.
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
EAS30620

CHECKING THE SPARK PLUGS

The following procedure applies to all of the
spark plugs.
1. Remove:
• Rider seat
Refer to "GENERAL CHASSIS (1)" on page
4-1.
• Fuel tank cover
Refer to "GENERAL CHASSIS (2)" on page
4-7.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Air filter case
Refer to "AIR FILTER CASE" on page 7-4.
• Air cut-off valve
Refer to "AIR INDUCTION SYSTEM" on
page 7-19.
2. Remove:
• Ignition coils
3-4
Replace.
Connect properly.
1