TOHATSU MFS 4 Service Manual page 36

Service Data
art name
Setting mark
Venturi bore
Throttle bore
Main jet (MJ)
Main air jet (MAJ)
arburetor
Main nozzle bore (MN)
(refer to hapter 4)
Pilot jet (PJ)
Pilot air jet (PAJ)
Throttle opening (at WOT)
Fuel level (from flange face to float bottom)
Idling speed
Pump body bore
learance between outer rotor and body
Oil pump
Height of outer rotor
Side clearance between rotor and body
Ignition timing
Spark performance
Airgap
Magneto/
Alternator output (OP)
Ignitor
Lighting coil resistance
áYellow (Y)
Ingnitor resistance
Plug cap Terminal-Terminal resistance [@20¡ ] [k½ range]
Plug type
Spark plug
Spark gap
Ignitor Refer to hapter 8
Resistance
Rectifire
Valve operation starting temperature (submerged)
Thermostat
Valve full open temperature (submerged)
Valve full open lift (submerged)
Wear, crack
Pump impeller
Wear
Pump case (liner)
Wear
Guide plate
Anode eloded
Wear and damage of bearing
Propeller shaft
Wear of oil seal
Propeller shaft runout
Backlash between forward gear (A) and pinion (B)
Gap between forward gear bushing (A) and
Bevel gear
propeller shaft
Gap between reverse gear bushing ( ) and
propeller shaft
Propeller Wear, bend, crack, nick
Spline (upper) base tangent length
Bearing Wear and Damage
Drive shaft
Oil Seal Lip Wear
Drive Shaft Runout
Drive shaft
Gap between the bushing and drive shaft
bushing
Oil seals
Wear, damage
2-12
Item
[@20¡ ]
Ð Yellow (Y)
4B
3ATA 3ASA
¿10
¿19
#60
#135 #155
¿1.6 ¿2.0
#35
#110 #110
76¡
23.09mm (0.909in)
0.12 Ð 0.20mm (0.0047
5.99mm (0.2358in)
0.02 Ð 0.07mm (0.0008
TD Ð BTD 25¡
(@500r/min) 10mm (0.4in) or over
0.5mm (0.020in)
12V60W
0.46 Ð 0.68½
Refer to chapter 8
3.0 Ð 7.0k½
D PR6E[NGK]
0.8 Ð 0.9mm (0.031
50 Ð 54¡ (121
63 Ð 67¡ (146
3.0mm (0.12in) over
0.05 Ð 0.15mm (0.0020
Dial gauge reading:0.16
0.030 Ð 0.058mm (0.0012
0.040 Ð 0.07mm (0.0016
4 :200x178mm (7.9x7.0in)
5, 6 :200x203mm (7.9x8.0in)
3.67mm (0.1445in)
0.016 Ð 0.073mm (0.00062
Standard value
5B 6B
Sail ro
(E A)
3AUA
¿13 ¿15 ¿15
¿19 ¿21 ¿21
#65 #68 #68
#140 #140
¿2.2 ¿2.2
#38 #38 #38
#120 #120
75¡ 77¡30'' 77¡30''
10.0mm
1,300r/min
Ð 0.0079in)
Ð 0.0028in)
Ð 0.035in)
Ð 129¡F)
Ð 154¡F)
Ð 0.0059in)
Ð 0.49mm (0.0063 Ð 0.0193in)
Ð 0.0023in)
Ð 0.0028in)
6 (Sail Pro):
212x160mm (8.3x6.3in)
Ð 0.00287in)
4st 4/5/6 2011
Sail ro
(EU)
3DKA
¿15
¿21
#68
#140
¿2.2
#38
#120
77¡30''