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Looking for parts schematic for a 2007 75 HP 4 Stroke Yamaha water pump assembly

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  • Yamaha Master
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6ya6ya
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Hi there,
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Posted on Jan 02, 2017

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muralme
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SOURCE: Looking for 3" flapper assembly for Pegasus 15 3/4"

go to Pegasus online with the model number which is inside the rear tank either on the underside of the lid or the interior upper wall of tank, its engraved so you have to look closly. give them that number and the will ship your part

Posted on Jul 12, 2009

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SOURCE: 4 stroke Yamaha 50HP -Runs rough at all throttle levels

If it has the old points system you will need to set the points also adjust the carburatior screw the screws all the way in and back out 2 1/2 turns then get it to run turn the air mixture screws till it runs smooth. you want it slightly lean then enrichen it slightly, afterword shut the engine down and look at the plugs if they are gray black they are ok. good luck.

Posted on Jul 18, 2009

  • 18 Answers

SOURCE: yamaha outboard starting

New plugs and service

Posted on Sep 21, 2009

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SOURCE: Re-assembling lower unit of 40HP Mercury 4 stroke

I found a lower gear case assembly diagram at http://www.crowleymarine.com/mercury_parts/6995/240.cfm which helped me understand how the shift mechanism works. This clued me in to the fact that I was missing the cam follower rod which I then found I had inadvertently mopped up in a shop towel when cleaning up spilled gear oil. After that discovery, assembly and operation was quick and successful.

Posted on Nov 12, 2009

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SOURCE: i have 30 hp two stroke pull start yamaha outboard

yam water pumps are clever the offste centre causes the pump vanes to flex during rotation and at low RPM you have a displacement type pump, at high RPM water pressure forces the vanes to flex inwards and the pump becomes centrifugal, you can fit the impellar either way up so you cant fit it wrongly make sure your gaskets are ok and that the delivery pipe to the power haed is not leaking (try a hose on it) also make sure the little woodruff key or on some models the pin through the drive shaft which turns the pump is fitted ok, not much else that can be wrong!

Posted on Jul 21, 2010

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Overheating yz250f


Hi, Anonymous and the usual suspects are:
1. Low coolant level.
2. Restricted radiator air flow.
3. Faulty thermostat.
4. Coolant pump or fans inoperative.
5. Vent hose crimped.
6. Air in the coolant and needs bleeding.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
http://www.vitalmx.com/forums/Race-Shop,42/yz-250-overheating,1216349
YZ250 overheating again Yamaha 2 Stroke
YAMAHA YZ250 LC Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e

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Water flow


you will have to strip the bottom end and renew the water pump impeller ,not a easy job if the bolts have corroded up with the sea water ,soak then in engine oil for a day or so before you try

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1 Answer

Im told that the breather on the 06 yz250f can **** water through the engine if you stall in water, how do you overcome this problem?


Hi, Richard for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
YAMAHA YZ250F Owner Service Manual
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http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Oct 31, 2011 | 2004 Yamaha YZ 250 F

1 Answer

My Yamaha 4 stroke 50hp engine was running fine. When i went to replace the cover, the water stopped running through the "pee" hole.


i have had this on mine and it was a sort of insect that made a mud nest in the small hole and it blocked the hole up ,try poking it out with a bit of wire

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2005 yz250f manual or wiring diagram


Hi, Ardenjenni for more information about your question and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
YAMAHA YZ250F Owner Service Manual
OEM parts for Yamaha
http://mybikemanuals.com/yamaha/yamaha-yz-owners-manuals
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Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/gregg_c0ec1df182c7330e


Dec 15, 2010 | Yamaha Motorcycles

1 Answer

Looking for instructions on dis\assembly of a waterpump on a 2002 KTM 400EXC and tools required?


2001 EXC have the same cooling system regardless of a 4 stroke or a 2 stroke, this technology have stayed until 2006

Here is the manual for 2006:
https://www.ktmdealer.net/uploads/models_tech_datasheets/8303F3_OM_EN.pdf

then your water pump assy should look like this

http://www.ktmcyclehutt.com/ktm-parts/productimages/77335955044_lg.jpg

Jun 17, 2010 | 2001 KTM Exc-Racing E 400

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