2002 Honda CR 125 R Logo
Anonymous
Anonymous Posted on Dec 12, 2009
Answered

2001 Honda CR 125 motorcycle is leaking coolant from a small hole right behind the water pump. What is the purpose of this small hole? Why is my coolant leaking from there?

Answer This Question

1 Answer

Anonymous

Level 3:

An expert who has achieved level 3 by getting 1000 points
All-Star:

An expert that got 10 achievements.
MVP:

An expert that got 5 achievements.
Vice President:

An expert whose answer got voted for 100 times.

  • Master 301 Answers
  • Posted on Dec 12, 2009
Anonymous
Master
Level 3:

An expert who has achieved level 3 by getting 1000 points
All-Star:

An expert that got 10 achievements.
MVP:

An expert that got 5 achievements.
Vice President:

An expert whose answer got voted for 100 times.

Joined: Oct 20, 2009
Answers
301
Questions
1
Helped
177566
Points
1043

The hole that your coolant is leaking from is a vent hole. Its purpose is mainly to give the airspace behind the water pump a place to expand into the atmosphere, and a place for the coolant to escape when the water pump seal goes bad. Every vehicle I can think of, if it has a water pump, its got a vent hole. So, what you are faced with is replacing the water pump with a new one (seals and individual parts are not available for the water pump on your Honda).

Testimonial: "Thank you for the quick response to my question. Now I know what needs to be replaced on my motorcycle - without doing further damage!"

Add Your Answer

×

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

0answers

Honda CR 125 R water coming out the exhaust
Read full answer
Be the first to answer Jan 09, 2014 • Honda CR 125 R Motorcycles
0answers

2004 cr 125 water pump seal leaking
Read full answer
Be the first to answer Oct 04, 2012 • 2004 Honda CR 125 R
0answers

What kind of coolant t does a cr 125 take
Read full answer
Be the first to answer Mar 17, 2012 • Honda CR 125 R Motorcycles
0helpful
1answer

Put a new piston in my 89 cr 125 i put 2 small holes in the front of piston and put it in will not run took apart the old piston has a opening at the rear of piston the new one is a wisco and has no hole...
IT is a port piston You have the wrong piston. Replace piston with right one MOPAR KENNY
Read full answer
May 22, 2011 • 2003 Honda CR 125 R
1helpful
1answer

Coolant is slowly leaking out of the small hole on the bottom of my water pump casing. What do I need to do to fix this?
That is like a vent hole, but the seals for your water pump should be replaced. Also, check the shaft for wear from the seal, as they can "cut" into the shaft. Then the shaft is bad also.
Read full answer
Aug 11, 2010 • 2004 Yamaha YZ 125
2helpful
2answers

I have antifreeze leeking out a pin hole under the water pump
It is very likely the water pump seal. It is always a good idea to replace the bearing while you have it opened up.

Read full answer
Jan 13, 2010 • 2002 Honda CRF 450 R
3helpful
2answers

Lossing water out of small hole on under side of motor ? Normal or not
Not, sounds like a seal vent for the water pump, shouldn't leak.
Read full answer
Jan 07, 2010 • 2005 Honda CRF 450 R
0helpful
1answer

Water pump is leaking, can i just replace seal on a honda cbr 400 rr 1988 model.
Not really!
The leaking (weep-hole) is purposely put in the water-pump to warn you that the water pump is defective.
You have to replace the water-pump together with new gasket.

1. Drain the coolant into a container by opening the radiator cap, and the drain-plug under it.
2. Remove the water-pump hose and the bolts .
3. Put in place the new water-pump with new gasket.
4. Reverse removal procedure for installation.
5. Start engine and check for leaks.
Read full answer
Nov 17, 2009 • 1988 Honda CBR 400
2helpful
1answer

Water leaking from a hole under the engine near the water pump when the engine is runnig. dose this mean the water pump gasket has blown?
Yes, you have 2 gaskets-one one on the water side,one on the oil side; between them is a hole as a protection - to prevent water spilling in the oil or viceversa in case of a gesket failure. You need to replace the gasket set asap.
Read full answer
Nov 01, 2009 • 2005 Honda CR 125 R
0helpful
2answers

Yamaha yz 125 2001.water leak
Yes, the water seal is leaking. This is the indicator hole for the water and oil seal.
Enjoy the ride !

Jon
Read full answer
Mar 01, 2009 • 2003 Yamaha YZ 125
Not finding what you are looking for?

View Most Popular

2002 CR 125 R

  • Motorcycles

Related Question

Honda CR 125 R water coming out the exhaust

  • Honda CR 125 R Motorcycles

Related Topics

1,375 views

Ask a Question

Usually answered in minutes!

Popular Questions

How much gear oil does a 2003 cr125 take ?

2003 Honda CR 125 R

What the best spark plug for hond cr

2004 Honda CR 125 R

Honda cr125 idle issues

Honda CR 125 R Motorcycles

No spark on a honda cr 85

2002 Honda CR 125 R

CR 80 R

2002 Honda CR 125 R

Top Honda Experts

Arnie Burke
Arnie Burke

Level 3 Expert

7339 Answers

Sean Wright
Sean Wright

Level 3 Expert

2045 Answers

Mike Cairns
Mike Cairns

Level 3 Expert

3054 Answers

Are you a Honda Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...