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post #1 of 24 Old 03-15-2018, 01:31 PM Thread Starter
 
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cooling system part question

i have a 2003 grizzly 660
there is a hose that runs from the water pump to where the thermostat housing & upper radiator hose is located. The hose just presses on a nipple and is held in place by a clamp. Somehow the nipple came out and i cant find it. It looks like the nipple is pressed in and not threaded. There isnt a part number & i dont want to purchase an entire head. Any suggestions on where to find this nipple and how to install?
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post #2 of 24 Old 03-15-2018, 03:36 PM
 
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It's not still in the end of the hose is it?

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post #3 of 24 Old 03-15-2018, 04:06 PM
 
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I was thinking like above, or on the shield under the engine.
Look on flea bay for a used part.

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post #4 of 24 Old 03-15-2018, 06:26 PM
 
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I doubt you would find that piece anywhere since it's part of the water pump. Part Discounter sells a water pump for the Grizzly 660 but they are out of stock right now. I think I bought the last one in stock, got it 2 days ago. I got it for 39 CDN though. Looks like they jacked up the price. It's identical to OEM, just doesn't have the 5KM markings on it..

- 2002 Grizzly 660
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- approx. 1086 hrs (4 hrs on rebuild)
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post #5 of 24 Old 03-15-2018, 07:14 PM
 
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Quote:
Originally Posted by david8017 View Post
i have a 2003 grizzly 660
there is a hose that runs from the water pump to where the thermostat housing & upper radiator hose is located. The hose just presses on a nipple and is held in place by a clamp. Somehow the nipple came out and i cant find it. It looks like the nipple is pressed in and not threaded. There isnt a part number & i dont want to purchase an entire head. Any suggestions on where to find this nipple and how to install?
@david8017 , if you mean the small steel nipple in the photo, that looks exactly like the one that goes in the Grizzly 700. I don't know if it's the same size, but I would bet that it is. If you look at the water pump and engine cover parts diagram on yamaha sports plaza, or any of the others that show the exploded view of the parts for the 2009 grizzly 700, you should find that nipple. It was one of the parts that I bought when I did my stator cover upgrade. The nipple is a really tight press/tap fit. On the 700, it does not go into the water pump. It goes into the engine cover that has a coolant channel going to the water pump. To install it, I used a block of hardwood against the end of the nipple so the end of the nipple did not get damaged. I tapped pretty hard on the wood block with a hammer to drive the nipple in. Check carefully as you go to make sure you get the nipple started in straight.

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post #6 of 24 Old 03-15-2018, 07:23 PM
 
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Housing, Water Pump
5KM-12421-00-00

This is the description and the Yamaha part number for the 2003 660, it's not the whole water pump, just the housing that includes the steel nipple already installed. It's a little over $60.00 on Yamaha Sports Plaza

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2009 Oil Cooled Crankcase cover
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post #7 of 24 Old 03-15-2018, 07:30 PM
 
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Pipe, Drain
5D3-1243K-00-00

This is the description and part number for the "nipple" for the 2009 700. It is the water pump drain. It's $3.08 on Yamaha Sports Plaza. If it's the same thing as the 660 part, pretty cheap/easy.

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Moose PowerMadd windshield
RAM Mount Garmin GPS
Kimpex Fender Guards/footrests
Kimpex Outback rear box/lounger with custom stainless latches
Moose 2" hitch
High Lifter rear springs
Battery Tender Jr.
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2009 Oil Cooled Crankcase cover
RM Heavy Duty Stator
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post #8 of 24 Old 03-15-2018, 07:57 PM Thread Starter
 
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thanks guys. Ill check out that part. Just to be clear, this isnt the nipple on the water pump, its the nipple near the thermostat housing. I imagine its the same type nipple however.
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post #9 of 24 Old 03-16-2018, 09:13 AM
 
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Quote:
Originally Posted by david8017 View Post
thanks guys. Ill check out that part. Just to be clear, this isnt the nipple on the water pump, its the nipple near the thermostat housing. I imagine its the same type nipple however.
@david8017 , I can't seem to find that part. Do you know what the inside diameter of the hose is?

2008 Grizzly 700 EFI EPS, Green
26x11x12 Kenda Bear Claw HTR's
12x7 ITP SS212's
Maier Over Fenders with Polished Stainless Screws
Warn 2500# winch, Synthetic Wire Rope
Tamarack Classic Front Box
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Moose PowerMadd windshield
RAM Mount Garmin GPS
Kimpex Fender Guards/footrests
Kimpex Outback rear box/lounger with custom stainless latches
Moose 2" hitch
High Lifter rear springs
Battery Tender Jr.
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2009 Oil Cooled Crankcase cover
RM Heavy Duty Stator
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Rear View Mirror
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post #10 of 24 Old 03-16-2018, 12:18 PM Thread Starter
 
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no i dont. Im trying to find the description on line for the hose (90446-04254-00) but no luck yet. Ill have to look when i get home
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post #11 of 24 Old 03-16-2018, 01:05 PM
 
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Quote:
Originally Posted by mainehunter View Post
@david8017 , I can't seem to find that part. Do you know what the inside diameter of the hose is?
I used 3/4" hard copper tubing inside my 660 upper cooling hose and it fit just right.

Jim,
Fast Green Convertible "06" 660 on 26" BH OG's with Stock Wheels.
COOP45 Primary, 1.5 mm shim, -1.5 mm belt, Purple Secondary Spring,
21 gram weights, weight covers reduced to 29 mm diameter and a 2 mm Cut Cam Plate.
2 heat range hotter plug, Warn Winch, Passenger Foot Rests, Rock Deflectors, Heated Grips and Hand Mitts,
Grab Strap, Cooling System Up-Grade and multiple position mirrors.
8040 miles, 812 hours on 1-1-15
Y.A.C.C. #43
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post #12 of 24 Old 03-16-2018, 03:27 PM Thread Starter
 
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3/4"?
mine is more like 1/4" i believe
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post #13 of 24 Old 03-16-2018, 04:23 PM
 
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Looong thread, I forgot you are not looking for the radiator hose diameter.

Jim,
Fast Green Convertible "06" 660 on 26" BH OG's with Stock Wheels.
COOP45 Primary, 1.5 mm shim, -1.5 mm belt, Purple Secondary Spring,
21 gram weights, weight covers reduced to 29 mm diameter and a 2 mm Cut Cam Plate.
2 heat range hotter plug, Warn Winch, Passenger Foot Rests, Rock Deflectors, Heated Grips and Hand Mitts,
Grab Strap, Cooling System Up-Grade and multiple position mirrors.
8040 miles, 812 hours on 1-1-15
Y.A.C.C. #43
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post #14 of 24 Old 03-16-2018, 04:49 PM
 
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That pipe is pressed into the thermostat housing part name and #= Cover, Thermostat
5KM-12413-01-00 about $25.00

or
Take the housing off and fab a piece of pipe back into it. You would need to JB weld or solder it.

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post #15 of 24 Old 03-16-2018, 08:52 PM
 
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Quote:
Originally Posted by david8017 View Post
3/4"?
mine is more like 1/4" i believe
If it's 1/4", I'm pretty sure that's the size of the little press in drain pipe from the 700 that I posted. I bet it's the same thing. Or, @reogem has a solution too.

2008 Grizzly 700 EFI EPS, Green
26x11x12 Kenda Bear Claw HTR's
12x7 ITP SS212's
Maier Over Fenders with Polished Stainless Screws
Warn 2500# winch, Synthetic Wire Rope
Tamarack Classic Front Box
Kolpin Rhino Grips
Moose PowerMadd windshield
RAM Mount Garmin GPS
Kimpex Fender Guards/footrests
Kimpex Outback rear box/lounger with custom stainless latches
Moose 2" hitch
High Lifter rear springs
Battery Tender Jr.
Mictuning Voltmeter
2009 Oil Cooled Crankcase cover
RM Heavy Duty Stator
1.5 mm shim mod
Epi Purple spring
Amsoil 0-40 full synthetic oil
Gold Plugs
Uni Air Filter
Rear View Mirror
KFI Winch Stopper
LED Headlight Bulbs
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