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Old 24th February 2011, 14:31   #1
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Default Bought a Honda VFR V-tec. Over-heating! Need help

Buying SBK is a dream come true,
This one is a 2002 model honda, Since i bought her after driving for about 30-35 kms its getting over heated at 130 - 140. Fearing of situation getting worst i only take short rides on her.
Before going to a mech i want to know atleast basic of what must be the problem, As this is my first SBK i dont know much about them.
Have been to honda dealer to buy rear brake pads on checking got reply they never bought this model here, may be its an import.
After waiting for a week time received the pads.
Now am sure i have to source the parts (if any) for the heating problem.
Need help from GURUS.
DGK sir owns one of the previuos model, Hope he can help me.
Waiting for response.
Thanks
A.H
Farooq
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Old 24th February 2011, 17:49   #2
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

Check if there is coolant or not. Get the entire coolant system cleaned. Check engine oil level.

Sorry to say but, the bike looks in extremely crappy condition and seems to have had a crash. What made you buy it?

Last edited by straight6 : 24th February 2011 at 17:51.
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Old 24th February 2011, 18:10   #3
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

Well the bike seems to have been crashed on its left side.
Check the radiator there.See if its working or did the previous owner just plugged it to make some cheap repair.

Drain out all the coolant.Measure it.See how much coolant has come out and how much is the recommended.

then take a lot of hot water and pour it into the opening at the top of the radiator keeping the bottom drain plug open.It will take out any muck in the whole system.

Lastly get onto some forum catering particularly to your bike model.And post there.They will be more equipped to giving you a solution as they would have faced these problems.

Oh yes lastly i bet you got this bike for loose change.Because the condition is really very bad.

Edit:On looking at the pics and damage again and again i have a feeling that it would have affected the front of the bike.get the wheels checked for alignment with the overall bodyline.This is the major problem with all bikes alike.One crash and the front never seems to be right again.So just ride carefully.Don't do too much speed.

Last edited by navpreet318 : 24th February 2011 at 18:13.
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Old 24th February 2011, 18:54   #4
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

Do these bikes have a thermostat? If so, check to see if its not jammed.
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Old 25th February 2011, 00:08   #5
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

Most multi cylinder bikes heat up if they are made to commute inside city confines with stop & go traffic. Keep a tab on that too.
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Old 25th February 2011, 03:26   #6
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

For overheating the basic checks I would do are

1. Check coolant level
2. Are the fans working ( if not the thermostat controling the fans could be faulty )
3. Check the oil ( and hope it is not milky signs of head gasket gone )



As STRAIGHT6 said the bike seems to have had a fall and the radiator might have some damage. Buying a bike of this age and condition you should have some mechanical knowledge or should have sought the advice of someone Who does .
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Old 25th February 2011, 13:59   #7
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

I did some trouble shooting and lots of reading a few months back for my Fireblade.
Run the following basic checks to begin with:

Check the coolant level.
Check if the thermostat is clogged.
Check if the fan is working.
Check if the water pump is working.
Bleed the entire coolant system for any bubbles that may have formed.

Also, please fill us in on the heating characteristics. Does it get hot and stay there, or does it come down a little bit once you start moving fast? This is very important to know in order to trouble shoot the problem.

Also, download a manual for your bike and read up on the trouble shooting techniques.

Although these bikes are known to get hot in city conditions, 120-130 degrees centigrade is not warranted for. You should ideally be between 95 - 110 degrees for most bikes in city conditions, and 80 - 95 degrees while in costant motion.

manson.
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Old 25th February 2011, 14:44   #8
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

Curious to know when you got this bike. In the first pic, the rear looks like the paint is not there (like rust), and also the grab handle is missing

Was the first pick taken during inspection before you bought the bike

Also in one of the pics, it seems that the silencer also has dents and is visible in several other places. if you have not bought it from a know source, could you share the details. Price if you dont mind, what checks u did and so on.

If it was in an accident, then the past owner might not have done a good job on the repair front

Also as many have put it here, elaborate a bit more on the heat. Is it just the guage or do you feel the heat.

Last edited by thedreamcatcher : 25th February 2011 at 14:45.
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Old 26th February 2011, 03:30   #9
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

As a Honda specialist there are many questions that need answering to identify the problem assume you have done the basics checks like radiator, expansion tank at correct levels, fan switch on rad. The ECT (engine coolant temperature) sensor is situated on the thermostat housing has been known to get damage quite easily if so the engine will run eractically as the ECU cannot compensate with the increasing engine temperature.
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Old 27th February 2011, 17:39   #10
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

First check the coolant level, if that looks fine grab a thermometer that works with a laser pointer (point the laser at a part to get the temp) or some similair method and check the temperature at different points on the radiator (top left, top right, bottom left, bottom right, middle left, middle, middle right) to see if there is a drop.

If one corner is a lot colder / hotter than the other then its your radiator causing the problem.

If you keep running it hot like this, headgasket might blow so be careful!
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Old 28th February 2011, 02:36   #11
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Default Re: Bought a Honda VFR V-tec/Over heating need help.

From the pictures, are you & the bike now in Saudi Arabia?
If you are in Jeddah, do let me know and I can help you with a good mechanic.
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