rob
Ahh! Just passed their bike test
Posts: 28
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Post by rob on Aug 24, 2014 21:57:22 GMT 1
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undercover
All Weather Rider, well hard
Posts: 186
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Post by undercover on Aug 26, 2014 13:10:10 GMT 1
ok here is some pictures of the inners of the fan i can say this most of the fans out there are seized and rusted inside. the fan i bought used was spotless and found when opening the bushes had seized inside there housing even thought they have springs behind them pushing them out on to rotor. the bushes are like pencil led and when they get wet with moisture they swell up and the constant rubbing on them creates a led barrier against the contact point that holds the bush where it sits. because they are compressed in there with a spring behind them and the turning of the rotor wears them down residue will stick around the hole. and when cooled and then dry when bike is off the deposits from the bushes will harden only then the motor turns until the contact with the bush is lost thru time this will wear away and leave a gap so the rotor has no contact with the bushes. ie a fooked fan easy fix huh well this is where the fun begins '' i have a spare fan on my bike that dosent work'' so the fan i broke open to investigate here is just a bad ebay buy that didnt work to see what is repairable. even though i have broken most of it i think it is dooable but as you will see the bushes are on springs and will pop out very fast and there is 2 there having drilled a hole in the back plate to get acess so make it easy to see how i could fit it back on without the bushes flying out. not easy you could use cellotape but it's all guess work putting it back together. i62.tinypic.com/s4qpgj.jpgi62.tinypic.com/33nfck3.jpgi58.tinypic.com/2cy3dec.jpgi61.tinypic.com/b51mcp.jpgi61.tinypic.com/30xd0kp.jpgi60.tinypic.com/34htmhl.jpgi57.tinypic.com/2a9tclc.jpg
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undercover
All Weather Rider, well hard
Posts: 186
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Post by undercover on Aug 26, 2014 13:27:51 GMT 1
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rob
Ahh! Just passed their bike test
Posts: 28
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Post by rob on Aug 27, 2014 15:02:35 GMT 1
The copper windings are a lot meatier than I'd imagined! I hope you manage to cobble something together OK, clearances permitting. One thing I remember noticing (even when the bike wasn't overheating in traffic) was that the temperature gauge would climb a little bit when I had the headlight on. I reckon the extra load on the generator must generate some extra heat as well - shame it is not in the right place to keep your hands warm.
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undercover
All Weather Rider, well hard
Posts: 186
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Post by undercover on Aug 28, 2014 14:10:05 GMT 1
ha ha there is a plastic heat sheild above the front cylinder and the coolent filler under the petrol tank. to stop us getting any heat whatsoever. yeah my temperature gauge lifts up just above the first line says in the haynes manual thats when you should ride the bike as the engine has warmed up. but i like to see it rise a bit more in traffic gives me confidence it's only the fan that dosen't work ha ha.
if you ever take off the heat sheild and find those 3 plastic clips have worn and wont fit back into there holes to hold the sheild.
like i did i ended buying around 20 of them from china for next to nothing the honda ones are quite expensive and you have to order them
so it's allway better to have these things at hand before you remove anything if you need any i can pop them in the post.
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