Yamaha F115 User Manual

Maintenance
98
EMU32112
Checking propeller
WARNING
EWM01881
You could be seriously injured if the en-
gine accidentally starts when you are near
the propeller. Before inspecting, remov-
ing, or installing the propeller, place the
shift control in neutral, turn the main
switch to “” (off) and remove the key,
and remove the clip from the engine shut-
off switch. Turn off the battery cut-off
switch if your boat has one.
Do not use your hand to hold the propeller
when loosening or tightening the propeller
nut. Put a wood block between the anti-cavi-
tation plate and the propeller to prevent the
propeller from turning.
Checkpoints
●
Check each of the propeller blades for ero-
sion from cavitation or ventilation, or other
damage.
●
Check the propeller shaft for damage.
●
Check the splines for wear or damage.
● Check for fish line tangled around the pro-
peller shaft.
●
Check the propeller shaft oil seal for dam-
age.
EMU30662
Removing propeller
EMU29197
Spline models
1. Straighten the cotter pin and pull it out us-
ing a pair of pliers.
2. Remove the propeller nut, washer, and
spacer (if equipped). WARNING! Do not
use your hand to hold the propeller
when loosening the propeller nut.
[EWM01890]
ZMU06220
ZMU01897
U63P1DE0.book Page 98 Tuesday, March 29, 2011 7:15 PM
©2019 Yamaha Motor Corporation, U.S.A.

Yamaha F115 Specifications

General

Displacement	1832cc
Prop Shaft Horsepower	115 hp
Alternator Output	35 Amp
Gear Ratio	2.15:1
Starting System	Electric
Fuel Recommendation	Regular Unleaded (Minimum Pump Octane 87)
Oil Recommendation	Yamalube 4M
Exhaust	Through Propeller
Lubrication	Wet Sump
Steering	Remote
Cooling System	Water Cooled
Bore x Stroke	81.0 x 88.9 mm
Full Throttle RPM Range	5300-6300 rpm
Fuel Induction System	EFI (Electronic Fuel Injection)
Ignition System	TCI (Transistor Controlled Ignition)
Weight	377 lbs
Cooling	Water Cooled
Shaft Length	L = 20 inch, X = 25 inch