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Discussion Starter · #1 ·
Ok so this is my very first write up on something but just maybe it will help someone out off the very common SV problem the magnets i know that if you use a strong glue u can fix the magnet problem but i saw an idea that REALSHELBY had here HIGH OUTPUT CHARGING SYSTEM
So when i had my probleme on magnets that broke and because i couldnt find any magnets to replace i decided to try and work around it and it is very simple to do.

So here it goes all you need is simple plate to hold the bearing i used a 20x40x10mm bearing and a 20x40x7 seal just to help the new shaft in place. the 3 holes that was holding stator i drilled through and used that to hold the bearing cover for the bolts.
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So then you take the flywheel bolt and copy the threats and just extent the shaft for the pulley at the outside i used EN19 steel because you need to torque the flywheel to 140nm
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Then i used a pulley that was lying around and copy that threats for the other side of the shaft for the pulley to screw on
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Dont stress out i cleanedd the flywheel out of all the pieces of magnets so that the flywheel is ballanced
So then fitted the little denso alternator that was in the garage
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This was supposed to be just to try it out but ended up staying as is for the last 2 and some years because i didn't have a even a little bit of trouble for the bike.
I used a 1:1 ratio on the pulleys because the alternator begins to charge at 1100rpm and can handle up to 20000rpm so it wont be a problem on the bike and here are the charging numbers

At ignition on no start the battery reads 12.13 V
At idle 1200rpm the battery reads 13.46V
At 2000rpm the alternator charge fully at 14.04V
 

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KNEE DRAGGER
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5,238 Posts
Interesting….

It looks like it would be prone to damage sticking out like that.

You have likely added significantly more rotational inertia from stock causing engine to pick up revs a slower.

I would like to see an image that shows more of the bike. I can’t imagine the cosmetic looks of this is desired.

If it works, it works I guess.

Cheers
-ms
 

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198 Posts
Good job! When I done the one on the DL I had a few versions on the shaft, bearing mount, and alternator mounting. Mine didn't really stick out enough to matter at all. And as you know they flat work well! I was running a lot of accessories and it handled them all. When I sold my DL 1000 I removed the components and sold them to a guy with a sidecar. Still going as far as I know. I was turning my alternator faster than yours, actually I think the 1:1 or a little faster would be better in the long run than what I was running. I was obsessed with idle charging output and should not have worried much about that....
 

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Discussion Starter · #4 ·
Like i said after 2years mine is running perfect without any issues and on the matter of putting some strain on the motor i don't think so because i took out the magnets and the stator so the magnetic charge the bike had is just now replaced with another similar magnetic charge and when the cover is done the pulley and alternator will be hiding so i don't think it will matter at all.
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