nick9one1
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| posted on 18/11/23 at 12:47 PM |
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Thermal switch temp in ZZR1100
I dont have the original thermal fan switch and cant find details on what temp it engages.
the service manual only has details for the thermostat.
Thermostat:
Valve opening temperature 80 84°C(176 183 OF)
Valve full opening lift more than 8 mm @95°C(203 OF)
What would be the best option?
Thermal switches available:
80°C on / 72°C off (± 2°C)
85°C on / 77°C off (± 2°C)
90°C on / 80°C off (± 2°C)
95°C on / 85°C off (± 2°C)
100°C on / 90°C off (± 2°C)
105°C on / 95°C off (± 2°C)
110°C on / 100°C off (± 2°C)
Thanks!
[Edited on 18/11/23 by nick9one1]
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gremlin1234
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| posted on 18/11/23 at 05:10 PM |
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from that spec I would guess the 100/90 version
but wouldn't it be good if Kawasaki published parts catalogues, and you could just buy the correct switch...
https://www.kawasaki.com/en-us/owner-center/parts/31435/2000/ZR1100-C4
27010 1202
https://www.bike-parts-kawa.com/kawasaki-motorcycle/assignment_spare_parts/270101202
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gremlin1234
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| posted on 18/11/23 at 05:19 PM |
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quote:
Originally posted by gremlin1234
from that spec I would guess the 100/90 version
but wouldn't it be good if Kawasaki published parts catalogues, and you could just buy the correct switch...
https://www.kawasaki.com/en-us/owner-center/parts/31435/2000/ZR1100-C4
27010 1202
https://www.bike-parts-kawa.com/kawasaki-motorcycle/assignment_spare_parts/270101202
but a different diagram indicates
27010-1372
so it may differ on the year of the bike
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nick9one1
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| posted on 18/11/23 at 05:35 PM |
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I cant use the original switch as the cooling hoses/rad have all been swapped out.
I've found an 3rd party original switch that says it switches on at 100C
[Edited on 18/11/23 by nick9one1]
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gremlin1234
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| posted on 18/11/23 at 07:03 PM |
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that should work fine on the input side of the rad.
or you could get an adjustable one.
https://uk.rs-online.com/web/p/thermostatic-switches/7334710
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adithorp
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| posted on 19/11/23 at 02:12 PM |
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Just bare in mind the switching temp will depend where you put the switch. In the engine before the stat' it'll be on at 95-105⁰c,
after the stat', in the top hose 90-100⁰c and in the rad 85-95⁰c might be what you'd commonly expect.
I know my R1 switches via the ECU from engine sensor at 105⁰c. Out of curiosity, I've had a test light on the rad mounted
(90⁰ on) switch (just used as a bung) and that switches at virtually the same time.
An alternative is use a dual switching sensor. They're made for twin fans coming on at 2 temps. If the lower temp isn't good enough, swap
the wires to the higher one.
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