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FJR Motorcycle Forums
Technical & Mechanical Problems
I know this has a thermostat but,
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<blockquote data-quote="Constant Mesh" data-source="post: 1165465" data-attributes="member: 615"><p>The Gen I radiator fan is fused at 15 amps. I'd speculate that the actual running current is approximately 6 amps or so.</p><p></p><p>I have a gripe with the FJR designers about the operation of the radiator fan. On those infrequent occasions when I've synced the throttle valves I've seen four bars on the display and the fan came on as expected.</p><p></p><p>I'll run the engine long enough for the fan to cycle off and then shut down the engine for a throttle valve adjustment. While shut down the temp will creep back up enough to trigger on the fan.</p><p></p><p>The fan comes on when I switch on the ignition. Then I'm forced to wait a while for cool down or crank the engine with the fan running which I don't want to do.</p><p></p><p>I wish the designers had blocked the fan's operation during engine cranking. Shut off all unnecessary loads controlled by relays while cranking the engine. Once it's started then bring those loads online as necessary.</p><p></p><p>When the engine is off and the ignition is switched on I don't see much value in running the radiator fan particularly when you're cranking to restart.</p></blockquote><p></p>
[QUOTE="Constant Mesh, post: 1165465, member: 615"] The Gen I radiator fan is fused at 15 amps. I'd speculate that the actual running current is approximately 6 amps or so. I have a gripe with the FJR designers about the operation of the radiator fan. On those infrequent occasions when I've synced the throttle valves I've seen four bars on the display and the fan came on as expected. I'll run the engine long enough for the fan to cycle off and then shut down the engine for a throttle valve adjustment. While shut down the temp will creep back up enough to trigger on the fan. The fan comes on when I switch on the ignition. Then I'm forced to wait a while for cool down or crank the engine with the fan running which I don't want to do. I wish the designers had blocked the fan's operation during engine cranking. Shut off all unnecessary loads controlled by relays while cranking the engine. Once it's started then bring those loads online as necessary. When the engine is off and the ignition is switched on I don't see much value in running the radiator fan particularly when you're cranking to restart. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
I know this has a thermostat but,
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