Wild Dog Adventure Riding

General => General Bike Related Banter => To Buy or Not To Buy => Topic started by: michnus on October 01, 2009, 08:13:26 pm

Title: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: michnus on October 01, 2009, 08:13:26 pm
 :deal:

Please add information for prospective new owners of second hand bikes, that you feel they ought to know and things they need to look out for, before spending the money.

please keep the threads clean of spam.
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: Bakkie on October 02, 2009, 10:21:50 am
Here's a tool that will tell you what the VIN Number means  :deal:
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: Bakkie on October 02, 2009, 10:23:16 am
Ask the owner if he has replaced the starter clutch. I have a 2005 model. So it will apply to all models 2003 +

The starter clutch usually goes at about 20000km
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: Bakkie on October 02, 2009, 10:24:27 am
Also check the sub-frame for cracks. Especially if the previous owner had a heavy top box or panniers.
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: Sprocketbek on October 02, 2009, 10:57:29 am
The spokes are quite prone to rust, replacement will be expensive.

Other than that, front fork seals had to be replaced twice in 5 years.

Oh, and a main bearing. But the sound of that is unmistakeable.

Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: Thumpy on May 15, 2011, 08:45:16 pm
For anyone browsing here also refer to Adventure Rider Site. This site covers about everything on the 620/625/640 SXC and ADV.

http://www.advrider.com/forums/showthread.php?t=86958

These bikes is in very good standing as dual sports. My experience is not to read to much into vibration issue. Ride it yourself and decide.
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: reset1 on August 10, 2011, 06:12:00 pm
Ask if the water pump main bearing seal has been replaced (water pump recon) they usually start to leak, after about 40 000km, causing oil to leak into the cooling system.. you'll notice oil in the radiator when or water level, repair will be around R3000 at a KTM dealer.       
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: reset1 on August 10, 2011, 06:15:34 pm
Take off the tank and take a look at the wiring belt/ electrical harness running under the neck of the frame in between the frame and water pipes, their prone to short due to the insulation chaffing off due to vibration.. repair would be around R2500 at a KTM dealer
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: thysman on August 19, 2011, 12:08:19 pm
Also check for chaffed-through fuel and coolant lines.
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: reset1 on August 22, 2011, 12:39:47 pm
Also check for chaffed-through fuel and coolant lines.

especially the radiator pipe behind frond mudguard (between the two radiators) , although a easy fix, can give you a indication if it happened before and did the bike overheat...
Title: Re: BEFORE YOU BUY A KTM640 LOOK OUT FOR THIS
Post by: Kobus Myburgh on April 11, 2015, 09:46:15 pm
As previously said check for rust, not only on spokes but also fork inner tubes. Small pit marks forms causing the fork seals to fail. Had to do both mine at >R8k - 2007 model.