Twin fan conversion - MVAgusta.net
 
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post #1 of 8 (permalink) Old 05-14-2016, 01:45 PM Thread Starter
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Twin fan conversion

Hello all. I have managed to source a radiator. However it is minus the fan. It is the version that would have the single fan as standard. The previous rad that let me down had a twin fan conversion. It was these fans that ate the radiator. Maybe by being mounted too close? The arc of the blade was catching the rad fins. Apologies as I have looked on the site but can't find much. How much of a drama is it to fit the twin version to a single version radiator. I am getting the old damaged radiator with the mounts and the twin fans returned to me. Any help would be appreciated. Both radiators should be with me by Monday/Tuesday.
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post #2 of 8 (permalink) Old 05-15-2016, 03:02 AM
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It is actually not touching and running free, but maybe due to vibration and flexibility intermttent touching, it has been 25k km before leaking.

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Last edited by hb88xx; 05-15-2016 at 03:05 AM.
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post #3 of 8 (permalink) Old 05-15-2016, 06:53 AM Thread Starter
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Yeh. The roads in the Isle of Man where I recently returned from are very bumpy in places. I think this has, as you say made the fans touch the radiator intermittently. That said mine is now beyond repair and I have been fortunate in getting another one. As Mv no longer supply them apparently? I think I have sourced a single fan and will probably fit that rather than struggle with mounts for the twin fans only for it to happen again.
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post #4 of 8 (permalink) Old 05-16-2016, 01:28 PM
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Mine is bracket issue,
another bracket showed a thicker insert, which can also be resolved by adding extra washer to keep fan further from radiator


radius where touched and cut radiator

with other bracket more clearance


tomorrow rad goes for repair, soldering.

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post #5 of 8 (permalink) Old 05-17-2016, 12:38 AM Thread Starter
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My radiator is still on its way back from the garage I got my bike from. But yes, that is exactly what happened to mine, and that will solve it. As you say, a washer just to step it out slightly. Good luck with the repair. Hopefully you will fix it. Mine needed recoring so not so lucky. It was cheaper for me to source a replacement.
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post #6 of 8 (permalink) Old 05-17-2016, 01:55 PM
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How difficult is to turn the single fan radiator into the double. I just picked up a 2006 and am thinking about either adding a second fan or getting a different water pump. Any wisdom/advise?
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post #7 of 8 (permalink) Old 05-17-2016, 06:00 PM Thread Starter
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I have to be honest I can't answer that. What I can say is that here are two bikes that have had their radiators damaged by a twin fan conversion. With that in mind I would try and keep the single.
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post #8 of 8 (permalink) Old 05-20-2016, 03:48 PM
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What temps are 'normal' for these bikes to run at? Assuming city riding.

1995 Honda CBR F3 - Ran over while parked :*(
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