daymo69 Posted May 18, 2015 Report Share Posted May 18, 2015 Hi Guys, I have just got a new Repsol 4RT & rode my first trial for 9 years at the weekend i noticed the fan comes on quite a lot i wondered if this is normal? I'm considering replacing the coolant with engine ice as i use to use this in my CRF250X as that liked to run hot made a bit of difference to how often the fan came on & the running temp Cheers Damon Quote Link to comment Share on other sites More sharing options...
guys Posted May 18, 2015 Report Share Posted May 18, 2015 Yes, is normal. 1 Quote Link to comment Share on other sites More sharing options...
daymo69 Posted May 18, 2015 Author Report Share Posted May 18, 2015 Yes, is normal. Thanks have you tried any different coolant? Quote Link to comment Share on other sites More sharing options...
guys Posted May 19, 2015 Report Share Posted May 19, 2015 (edited) Yes, on my previous 4RT, Denicol Zero which claims to lower the engine temp by about 10°C but I never really noticed a major difference. That said, I never timed the fan or measured the fluid temp to measure the advantage it had over the "normal" coolant. For my new 4RT I'll be using Castrol Radicool SF. Edited May 19, 2015 by guys Quote Link to comment Share on other sites More sharing options...
daymo69 Posted May 19, 2015 Author Report Share Posted May 19, 2015 Ok thanks for the in for i may try some engine ice once i have had a few more rides on it 1 Quote Link to comment Share on other sites More sharing options...
crazybond700 Posted May 19, 2015 Report Share Posted May 19, 2015 With trials fans go on, because of the lack of air cooling (yeah, a liquid cooled system is also air cooled eventually). So no problem as long as it doesnt trow out its coolant. 1 Quote Link to comment Share on other sites More sharing options...
helicoptermanr22 Posted May 20, 2015 Report Share Posted May 20, 2015 its completely normal. mine comes on every minute or so Quote Link to comment Share on other sites More sharing options...
daymo69 Posted May 20, 2015 Author Report Share Posted May 20, 2015 cool thanks for the replies guys Quote Link to comment Share on other sites More sharing options...
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