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」 一
o
:g,
:J
0
'"
Fig. 1 Engine coolant density.boiling point (CI tO FI 32 。 '0 20
至 E
num radiators with distilled water
。 nly.
Water/antifreeze mixture ratio: 50:50 - 40:60
.....................................…..... ..….................…...... .…........…........ 5REMOUN Tl NG ..........................….............. ....….................…...................... 5COO LlNG FAN THERMOSWITCH... ……....………….-....….... ._-……………......… ....5REMO阳 L ....................................………..…….. ....…………………… ........5INSPEC Tl ON. ….......…...............…....... ••••.••••••••• ••••••••••.••.•• .•• .•••••••. ....… ........5INSTALLA Tl ON ............................................….........….................................5REMOVAL ENGINE COOLANT TEMPERATURE
INS7到 LLATION …… ……………………......…....………..... .………..一..…..一一一一一 .5-12
WATER PUMP .....................….. .••••••••••.•• ...................... .•••••••••••••. ••.••. ....… ........5-13
厅
4
2
3
( ( ( ( (
Impeller Radiator cap Aighl radlator Left radlalor Thermostat
COO Ll NG SYSTEM
5-3
CONSTRUCTION
导\
( ( ( ( ( ( (
Radlalor cap Radiator (R) Radiator (L) Radiator in let hose Radiator outlet hose Overflow hose Uverllow tank Alr bleeder bolt Cooling fan thermoswitch Engine coolant temperalure thermoswitch
6
7
8
8
9
9
THERMOS 阳 TCH ............................... 5-10
REMOVAL .....................................................................…............................5-10 INSPECTl ON ...........................................…................ ...........................… ....5-10 INSTALLA Tl ON ........…....... ..….........…............... ........ ................. •••••••.•• ....… 5-10
5-2
COO Ll NG SYSTEM
COO Ll NG SYSTEM
DESCRIPTION
The engine is cooled by the lorced circulation 01 engine coolant , using a high-capacity, centrilugal water pump , through water jackets lormed in the cylinder and cylinder head , and through the radiator. The tubeand-lin type radiator is made 01 aluminum , which is characterized by lightness in weight and good heat dissipation A wax-pellet type thermostat is used to regulate the llow 01 engine coolant through the radiator. As the coolant temperature rises to about 75 0 C (16rF) the thermostat valve unseats and a normal coolant llow is established . At about 90 0 C (194 0 F) the thermostat becomes completely open and , as a resu 1t, heat is released to the atmosphere through the radiator core Relerring to the following illustration , the thermostat is in the closed condition , so that eng ine coolant recirculates through the route comprising the water pump , engine , by-pass hole 01 the thermostat and radiator in the regu lated condition
o
5-4
COO Ll NG SYSTEM
ENGINE COOLANT
At the time 01 manulacture , the cooling system is lilled with a 50:50 mixture 01 distilled water and ethylene glycol antilreeze This mixture will provide optimum corrosion and heat protection , and will protect the cooling system from Ireezing at above -31 0 C (-24 0 F) 1I the motorcycle is to be exposed to temperatures below -31 0 C (- 2 -1 0 F) , thc pcrccntagc of antifreeze shou ld be increased to 55% or 60% , according to figure 2 • The characteristics of different antifreeze vary; therefore , be ';UI" tu Wj" tlle speclfled antllreeze
THERMOS7刀T
......... .................................................…................… ..................5-11 REMOVAL ..….......... .•••••••. •••••••••••••. ••. .....…................................…...............5-11 INSPEC TlON ................................................................................................5-11
[ A CALJ 旦回 卫
'4 l三 4 以
* Mix a high quality ethylene glycol based antifreeze *
with distilled water only. 00 not mix an alcohol based antifreeze or different brands of antilreeze. The percentage 01 antilreeze in the coolant should be between 50 to 60%. 1I the percentage 01 antifreeze is above or below this range the coolant's Irost protection and rust-inhibiting capabilities will be reduced.Alwa咱(S keep the antilreeze content abo内le50% even if the atmospheric temperature does not go bebw the freezing point.
日日~ Engine coolant: Mix antifreeze designed for alumi-
tOCI (FI 150 , 302 '40 284 ←一~130j266
(kgf/cm'. Ib.ft)
国--
卢"
国 120 5 营
248
-
问'
s
0 .9
0.5
毡，
』
2 目
ω
且
110 230 '00 212 o 10 20 30 40 50 60 Denslty (%)
REMOVAL AND DISASSEMBLY.........................….....................................5-13 INSPEC Tl ON. …. ...................... .•••••••••••••.••••••••••. ......….........….........… ..........5-14 REASSEMBLY........ ….........…..................….............…................................. 5-14
COO Ll NG SYSTEM
ห้องสมุดไป่ตู้5.1
CONTENTS COOLlNG SYSTEM
...............….. •••. •••••••••••••••• ••• ............ ••••• ...............……....... 5. 2
DESCRIPTl ON .............…................. ....….................................................... 5- 2 CONSTRUC Tl ON ...........................................................….......................... 5- 3 ENGINE COOLANT ...............................….......…...... ...….........…....... .…......... 5- 4 RADIATOR AND COOLlNG FAN ..........…......... ............................…............... 5- 5 INSPECTION ..............…. ..............................................….. .......…................ 5- 5
( (
。
( ( (
Circlip Water pump driven gear Pin Waohcr ( Circlip ( Bearing ( O-ring @ Qil ~oal @ Mechanical seal ( Jmpeller @ O."ng ( Water pump CQver ( Q-nng
o
:g,
:J
0
'"
Fig. 1 Engine coolant density.boiling point (CI tO FI 32 。 '0 20
至 E
num radiators with distilled water
。 nly.
Water/antifreeze mixture ratio: 50:50 - 40:60
.....................................…..... ..….................…...... .…........…........ 5REMOUN Tl NG ..........................….............. ....….................…...................... 5COO LlNG FAN THERMOSWITCH... ……....………….-....….... ._-……………......… ....5REMO阳 L ....................................………..…….. ....…………………… ........5INSPEC Tl ON. ….......…...............…....... ••••.••••••••• ••••••••••.••.•• .•• .•••••••. ....… ........5INSTALLA Tl ON ............................................….........….................................5REMOVAL ENGINE COOLANT TEMPERATURE
INS7到 LLATION …… ……………………......…....………..... .………..一..…..一一一一一 .5-12
WATER PUMP .....................….. .••••••••••.•• ...................... .•••••••••••••. ••.••. ....… ........5-13
厅
4
2
3
( ( ( ( (
Impeller Radiator cap Aighl radlator Left radlalor Thermostat
COO Ll NG SYSTEM
5-3
CONSTRUCTION
导\
( ( ( ( ( ( (
Radlalor cap Radiator (R) Radiator (L) Radiator in let hose Radiator outlet hose Overflow hose Uverllow tank Alr bleeder bolt Cooling fan thermoswitch Engine coolant temperalure thermoswitch
6
7
8
8
9
9
THERMOS 阳 TCH ............................... 5-10
REMOVAL .....................................................................…............................5-10 INSPECTl ON ...........................................…................ ...........................… ....5-10 INSTALLA Tl ON ........…....... ..….........…............... ........ ................. •••••••.•• ....… 5-10
5-2
COO Ll NG SYSTEM
COO Ll NG SYSTEM
DESCRIPTION
The engine is cooled by the lorced circulation 01 engine coolant , using a high-capacity, centrilugal water pump , through water jackets lormed in the cylinder and cylinder head , and through the radiator. The tubeand-lin type radiator is made 01 aluminum , which is characterized by lightness in weight and good heat dissipation A wax-pellet type thermostat is used to regulate the llow 01 engine coolant through the radiator. As the coolant temperature rises to about 75 0 C (16rF) the thermostat valve unseats and a normal coolant llow is established . At about 90 0 C (194 0 F) the thermostat becomes completely open and , as a resu 1t, heat is released to the atmosphere through the radiator core Relerring to the following illustration , the thermostat is in the closed condition , so that eng ine coolant recirculates through the route comprising the water pump , engine , by-pass hole 01 the thermostat and radiator in the regu lated condition
o
5-4
COO Ll NG SYSTEM
ENGINE COOLANT
At the time 01 manulacture , the cooling system is lilled with a 50:50 mixture 01 distilled water and ethylene glycol antilreeze This mixture will provide optimum corrosion and heat protection , and will protect the cooling system from Ireezing at above -31 0 C (-24 0 F) 1I the motorcycle is to be exposed to temperatures below -31 0 C (- 2 -1 0 F) , thc pcrccntagc of antifreeze shou ld be increased to 55% or 60% , according to figure 2 • The characteristics of different antifreeze vary; therefore , be ';UI" tu Wj" tlle speclfled antllreeze
THERMOS7刀T
......... .................................................…................… ..................5-11 REMOVAL ..….......... .•••••••. •••••••••••••. ••. .....…................................…...............5-11 INSPEC TlON ................................................................................................5-11
[ A CALJ 旦回 卫
'4 l三 4 以
* Mix a high quality ethylene glycol based antifreeze *
with distilled water only. 00 not mix an alcohol based antifreeze or different brands of antilreeze. The percentage 01 antilreeze in the coolant should be between 50 to 60%. 1I the percentage 01 antifreeze is above or below this range the coolant's Irost protection and rust-inhibiting capabilities will be reduced.Alwa咱(S keep the antilreeze content abo内le50% even if the atmospheric temperature does not go bebw the freezing point.
日日~ Engine coolant: Mix antifreeze designed for alumi-
tOCI (FI 150 , 302 '40 284 ←一~130j266
(kgf/cm'. Ib.ft)
国--
卢"
国 120 5 营
248
-
问'
s
0 .9
0.5
毡，
』
2 目
ω
且
110 230 '00 212 o 10 20 30 40 50 60 Denslty (%)
REMOVAL AND DISASSEMBLY.........................….....................................5-13 INSPEC Tl ON. …. ...................... .•••••••••••••.••••••••••. ......….........….........… ..........5-14 REASSEMBLY........ ….........…..................….............…................................. 5-14
COO Ll NG SYSTEM
ห้องสมุดไป่ตู้5.1
CONTENTS COOLlNG SYSTEM
...............….. •••. •••••••••••••••• ••• ............ ••••• ...............……....... 5. 2
DESCRIPTl ON .............…................. ....….................................................... 5- 2 CONSTRUC Tl ON ...........................................................….......................... 5- 3 ENGINE COOLANT ...............................….......…...... ...….........…....... .…......... 5- 4 RADIATOR AND COOLlNG FAN ..........…......... ............................…............... 5- 5 INSPECTION ..............…. ..............................................….. .......…................ 5- 5
( (
。
( ( (
Circlip Water pump driven gear Pin Waohcr ( Circlip ( Bearing ( O-ring @ Qil ~oal @ Mechanical seal ( Jmpeller @ O."ng ( Water pump CQver ( Q-nng