Yamaha T25B Boating Equipment User Manual


 
E
4-1
EMU00322*
SPECIFICATIONS
Model
Unit F25MHB
Item
18 (1.8, 13)
35 (3.5, 25)
28 (2.8, 20)
18 (1.8, 13)
Spark plug N·m (kgf·m, lb·ft)
Propeller nut N·m (kgf·m, lb·ft)
Engine oil drain bolt N·m (kgf·m, lb·ft)
Engine oil filter N·m (kgf·m, lb·ft)
DIMENSIONS
PERFORMANCE
Overall Length mm (in.)
Overall Width mm (in.)
Overall Height S/L/X mm (in.)
Transom height S/L/X mm (in.)
Weight S/L/X kg (lb.)
1,151 (45.3)
430 (16.9)
1,148 (45.2)/1,275 (50.2)/1,354(53.5)
423 (16.7)/550 (21.7)/636(25.0)
62 (137)/64 (141)/66(146)
Full throttle operating range r/min
Maximum output kW (HP) @ r/min
Idling speed (Neutral) r/min
5,000–6,000
18.4 (25.0) @ 5,500
925–1,025
ENGINE
Type
Displacement cm
3
(cu.in.)
Bore × stroke mm (in.)
Ignition system
Spark plug NGK
Spark plug gap mm (in.)
Control system
Starting system
Valve clearance (cold engine) IN mm (in.)
EX mm (in.)
Battery
Min. cold cranking amps (CCA/SAE) amps at -18°C (-0.4°F)
Min. marine cranking amps (MCA/ABYC)
amps at 0°C (32°F)
Min. reserve capacity (RC/SAE) minutes
Alternator output V-A (W)
Starting carburetion system
4-stroke, OHC, L2
498 (30.39)
65.0 × 75.0 (2.56 × 2.95)
CDI system
DPR6EA-9
0.8–0.9 (0.031–0.035)
Tiller control
Manual recoil starter
0.15–0.25 (0.006–0.010)
0.25–0.35 (0.010–0.014)
12-(80)
Prime start
DRIVE UNIT
Gear positions
Gear ratio
Trim and tilt system
Propeller mark
Forward-Neutral-Reverse
2.08 (27/13)
Manual
F
FUEL AND OIL
TIGHTENING TORQUE
Recommended fuel
P.O.N.
Fuel tank capacity I (US gal, lmp qt)
Recommended engine oil
API
SAE
Engine oil capacity (without oil filter) I (US qt, Imp qt)
(with oil filter) I (US qt, Imp qt)
Recommended gear oil
Gear oil capacity cm
3
(US oz, Imp oz)
Regular unleaded gasoline
(Minimum 86)
25 (6.60, 5.50)
4-stroke motor oil
SE, SF, SG, SH, SJ
10W-30, 10W-40
1.7 (1.80, 1.50)
1.9 (2.00, 1.67)
Hypoid gear oil (SAE90)
320 (10.81, 11.27)
65W-9-16-4 3/15/02 5:16 PM Page 2