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PostPosted: Wed Apr 19, 2017 11:44 am 
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Newbie
Newbie

Joined: Tue Oct 04, 2016 8:41 am
Posts: 2
Location: Austria
Bought my DR650RS this year and put my first trip on it; about 4000km from to Spain and back (living in France).

I don't know if it's a problem, but when I pull the decompression lever the decompression Spring locks the "mechanism" in place. However, when I use the kick to get the Piston in TDC, the decompression doesn't "shoot" out, but just stays locked into position. What I then do is to pull the decompression lever back and the kick, whereupon the decompression Spring mechanism jumps back when the piston reaches TDC.

Is this normal? Can this damage the motor on the long run?


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PostPosted: Wed Apr 19, 2017 11:45 am 
Offline
Newbie
Newbie

Joined: Tue Oct 04, 2016 8:41 am
Posts: 2
Location: Austria
Video of me explaining he problem:
https://youtu.be/nAta-lqT0Aw

Correct procedure (random dude on YouTube):
https://youtu.be/TIFHtP9qMDM


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PostPosted: Fri Apr 21, 2017 11:41 pm 
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MSF Student
MSF Student

Joined: Sat Oct 10, 2015 9:37 pm
Posts: 32
Location: Australia
Make sure the cable itself runs freely and is not sticking. Have you checked to see if the return spring on the arm at the bottom end of the cable at the cylinder head is not broken and is operating freely? This spring should flick the mechanism back out once the piston reaches TDC. The whole mechanism is a fairly simple arrangement , all I can think of is that something is a bit stuck. Possibly the arm inside the valve cover that the mechanism works on may be gummed up with crud and not sliding smoothly .
As to your last two questions , no it is not normal , and it appears to be releasing once you push the lever back so it should not be damaging the motor. HTH

Graham

_________________
1990 DR650rs in blue


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