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Brett boychuk Posted on Aug 15, 2019
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Looking for parts schematic for a 2007 75 HP 4 Stroke Yamaha water pump assembly

1 Answer

jws1013

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  • Yamaha Master 1,713 Answers
  • Posted on Aug 16, 2019
jws1013
Yamaha Master
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5 Related Answers

Anonymous

  • 20 Answers
  • Posted on Jul 12, 2009

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

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Anonymous

  • 3600 Answers
  • Posted on Jul 18, 2009

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.

Anonymous

  • 18 Answers
  • Posted on Sep 21, 2009

SOURCE: yamaha outboard starting

New plugs and service

Anonymous

  • 1 Answer
  • Posted on Nov 12, 2009

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.

Charles Hunter

  • 107 Answers
  • Posted on Jul 21, 2010

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!

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Mercury outboard problems

Is this a two stroke?-If it is you most likely have a primary seal going bad (crankcase seal on the ignition side will lean it out,leaking seal on the other-side of assembly will do just what your describing)Hope this helps you out.....
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Yamaha 20 hp model 2010 petrol mixing with sump oil . problem came quite quickly at least a half litre increase after about 8 hours runing

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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
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