The NGW Project Bike. Water pump rebuild

This Is Strictly For The "How To" Sticky's

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6adan
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Joined: Thu Dec 27, 2007 9:14 am
Location: Florence,Alabama

#16

Post by 6adan »

I took an old and a new style pump apart and found the old one had a 10mm shaft and the new one had a 12mm shaft .
Dannie
79 GL1000,75 GL1000,76 GL1000 LTD,70 CB750k JDM, 79 CBX, 2000 Valkyrie CT 2008 Goldwing Roadsmith
Trike and another 76 LTD bad shape, and several more for parts.
Grinsha
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Joined: Tue Nov 11, 2008 3:42 pm
Location: Montana

#17

Post by Grinsha »

Rebuilt the pump on my GL1100 a few years ago. The seal was also used on an ATV. Found one online for 14 bucks. I have the part number somewhere but didint find it in a quick search. I found 10 bearings on ebay for 12 bucks (still have eight of them left) and used my hydraulic press to remove the impeller shaft. Still works fine after a couple thousand miles.

RSN
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Rat
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Welcome

#18

Post by Rat »

Welcome Grinsha to our little 'Wingdom.

Sounds like you'll fit in nicely :P .

Gord
"I'd rather Ride than Shine"
‘14 KLR650 ... not a rat ... yet
‘84 GL1200i ‘R2B6' (Rat to Be 6, the last, adopted by twowings)
My Original 'RAT' was a hybrid '82 CB900/1100F
bobby b
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Joined: Sat Jul 25, 2009 9:40 pm
Location: prescott,az

water pump bearing

#19

Post by bobby b »

when i removed my defective water pump the seal covering the back of
the water pump bearing was missing exposing the ball bearings some were
missing [ball bearings] have tried to find the missing ball bearing cover and ball bearings
have looked everywhere [tranny cover off] where in the hell could they be.
i can see the bearings going into the oil filter but the actual missing back that is a complete mystery.
as far as i can see the cover had never been off the
bike. before removing the pump the bike ran fine [minus the overheating]

a real mystery. any litebulbs here?
thx bobby

gl 1100

gl 1200
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Q
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Joined: Wed Feb 06, 2008 9:27 pm
Location: Bend, Oregon

#20

Post by Q »

Was the bearing cage still in place?

Q
QQQ
bobby b
Cast Iron Member
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Posts: 76
Joined: Sat Jul 25, 2009 9:40 pm
Location: prescott,az

bearing cage

#21

Post by bobby b »

not sure what that is. there is something pressed into the opening and there was a place for an o-ring [removed] i slipped in the new water pump and it looks like it belongs there but the pump was not bolted to the tranny cover
i have a kit [tranny] with all the o-rings there seems to be a large squashed
o-ring in the water pump opening [engine side] does that come out?
thx bobby

gl 1100

gl 1200
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Q
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Posts: 380
Joined: Wed Feb 06, 2008 9:27 pm
Location: Bend, Oregon

#22

Post by Q »

The bearing cage is the metal or plastic piece that keeps the balls evenly spaced.

Not sure which O rings you're talking about. If you haven't already, download a copy of the shop manual and it'll show you how it goes together.

Q
QQQ
bobby b
Cast Iron Member
Cast Iron Member
Posts: 76
Joined: Sat Jul 25, 2009 9:40 pm
Location: prescott,az

water pump seal

#23

Post by bobby b »

sorry for so many dumb questions but i want to do it right. should i add a
new water pump seal? where do you get these and how do you remove the old the black substance around the seal seems distorted. it diden't leak
before i took out the old water pump so should i replace the seal is it
necessary and is it difficult to do.
again thanks again for you help.
thx bobby

gl 1100

gl 1200
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