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Old 11-07-2011, 08:04 AM   #1
It'll be OK
Joined: Feb 2008
Location: Scottsdale, AZ
Oddometer: 613
Looking for R100GS Starter Info

I have a 1992 GS/PD that has a rather noisey starter. You know....the sounds they make right before they stop and make no sounds at all, in short I feel I am on borrowed time.
I've read a few threads about the older Valero Starter, Nippondenso Starters and Bosch Starters.
From whet I have read, early Valero's had a glue problem, Nippondenso's and Bosch seem difficult to find. I've read the Nippondenso is a pretty good replacement, but I can't seem to find one for sale. Anyone know where to get one?
Bottom line is, I'm of a mind that if I'm going to replace the starter I'd like to make it as good or better then OEM if possible.
My question is this: Where and who do I contact to talk to about which starter to go with, (pros and cons of each).
2011 WR250r
2007 BMW f650GS
1988 Honda NX650 - X2
1982 Honda GL1100 - X2
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Old 11-07-2011, 08:30 AM   #2
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Joined: Aug 2007
Location: Easton Wa
Oddometer: 1,386
Check it:
It's eight and a half gallons of gas; and an engine. What more do you need?-- BMW R80G/S

Save lives. Legalize lane sharing.

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Old 11-07-2011, 09:01 AM   #3
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Joined: Jul 2002
Location: Jackson's Bottom Oregon
Oddometer: 8,243
The Valeo is easy enough to pull out and work on - why not lube the planetary gears? That's normally what causes the squealing.
Wanted: Dead, smashed, crashed or trashed gauges
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Old 11-07-2011, 10:53 AM   #4
because I can
Joined: Sep 2010
Location: San Francisco Bay area
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But that won't stop the magnets from dropping. They usually drop a magnet long before the noisy gears cause any trouble other than noise. They make all that noise shortly out of the box usually.
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Old 11-07-2011, 11:55 AM   #5
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Joined: Oct 2004
Location: Shawangunks
Oddometer: 26,986
My succint impression of the three available starters for the GS:

Bosch: 2wice as heavy as the other two. Draws a lot of amps. Basically bulletproof.

Valeo: had some magnet issues in the past, some say they got over it. Still draws about 120A when starting. Pretty good price, though, and half the weight of a Bosch.

Nippondenso: most expensive of the three, but half the weight of a Bosch, and only draws about 80A when cranking. Doesnt have the magnet problem of the Valeo.
Unintentional psychokinesis.
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Old 11-07-2011, 11:59 AM   #6
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Joined: May 2005
Location: Norway
Oddometer: 372
Bosch: Slow
Valeo : Faster
Nippondenso: Fastest
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Old 11-07-2011, 12:21 PM   #7
R100RT Mark
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Joined: Feb 2011
Location: Georgia, USA
Oddometer: 309
Getting the starter off the 'bike is about as difficult as a typical Valeo starter overhaul gets.

Unless the starter has seen a bucket load of use/abuse, the only thing needed for peace of mind is a simple clean/lube and an updated field magnet housing from Euro MotoElectrics at around $40. See here:

Done it twice.

My advice for anyone with a modicum of wrenching skill is, remove the starter, clean, check for any obvious wear before dismantling, if none just replace.

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Old 11-07-2011, 03:46 PM   #8
Joined: Aug 2010
Location: London, UK
Oddometer: 16
i have a guilty secret.... i had a reconditioned valero from motorworks in the UK and it started squealing after 4 months.... so i returned it before the warranty wore out and bought a nippondenso.

how do i feel now? the guilt is gone. the nippondenso spins up the motor so much faster than the valero that it is almost fun to use! i have forgotten the price..... almost....
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Old 11-07-2011, 04:41 PM   #9
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Joined: Dec 2006
Location: North Cowichan
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The only problem that was disclosed to me on the purchase of my '94 GS was the squealing starter. Oh what a fool I was.... It was the first thing I overhauled. I pulled it apart to nothing and found the gears were basicly dry - the lubricant had solidified and was spun out against the gear case. I gave it a good clean and filled it with this lovely grease from work called 'Aeroshell 17' - which seems to have made a permanent fix to the squeal. No issues since.
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Old 11-08-2011, 05:29 PM   #10
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Joined: Apr 2010
Location: Nuevo Mexico
Oddometer: 57
My Valeo started squealing too. Took it apart and lubed - sounded great afterward. Then it dropped a magnet a week later

While I never found much info on longevity, EME also offers the EnDuraLast for about $80 less than a Valeo

I opted to go that route as I'll rebuild my Valeo when needed. The EnDuraLast has been working great for the last year and cranks a bit faster than my stock Valeo.
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