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Old 04-27-2013, 03:47 PM   #6076
Leydos
2 Stroke
 
Joined: May 2012
Location: Brisbane QLD AU
Oddometer: 13
Noisy XR

My 04 XR650 has 12000km on the clock and is making an intermittent metallic clicking noise, anyone else had this problem? From internet searches it seems it could be worn cam chain guides, should I just replace the guides or the entire cam shaft drive components?
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Old 04-27-2013, 04:36 PM   #6077
digga1111
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Location: wynnum
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Quote:
Originally Posted by Leydos View Post
My 04 XR650 has 12000km on the clock and is making an intermittent metallic clicking noise, anyone else had this problem? From internet searches it seems it could be worn cam chain guides, should I just replace the guides or the entire cam shaft drive components?
sounds pretty open ended to me mate, fair bit involved replacing all the timing components. better to try and isolate the noise first.
is the manual decomp adjusted properly. if it is not disengaing fully it will make a tick clickety tick noise
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Old 04-27-2013, 09:56 PM   #6078
Leydos
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Quote:
Originally Posted by digga1111 View Post
sounds pretty open ended to me mate, fair bit involved replacing all the timing components. better to try and isolate the noise first.
is the manual decomp adjusted properly. if it is not disengaing fully it will make a tick clickety tick noise
Thanks Digga I have had a bit of a look around, disconnected the decomp cable and checked valves etc. It is no way rhythmic like a two to three clicks with half a second gap then quiet for a few seconds then will click again for a few times, very erratic. It does go away when the engine is revved past a certain point. Is there a way to check cam chain wear without taking the top end apart?
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Old 04-27-2013, 10:25 PM   #6079
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maybe the timing chain adjuster is stuck or binding.
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[QUOTE=troy safari carpente;24254589]
... the XR is the greatest off road motorcycle ever constructed. There's nothing it can't do, hasn't won or will not outperform.
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Old 04-28-2013, 03:22 AM   #6080
ditchwitch650
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Joined: Mar 2008
Location: sunshine coast, QLD
Oddometer: 732
Quote:
Originally Posted by Leydos View Post
Thanks Digga I have had a bit of a look around, disconnected the decomp cable and checked valves etc. It is no way rhythmic like a two to three clicks with half a second gap then quiet for a few seconds then will click again for a few times, very erratic. It does go away when the engine is revved past a certain point. Is there a way to check cam chain wear without taking the top end apart?
I remove the cam chain adjuster to let it fully extend then push it back in the hole it should stop before the face of the adjuster meets the barrel
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Old 04-30-2013, 04:21 AM   #6081
bigredroosta
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Joined: Jan 2010
Location: Western Vic
Oddometer: 717
Carby issues

My '01 BRP pops annoyingly on decelleration, anybody know what causes this, is it carby related?
Also, riding at mid revs in 2nd or 3rd and back off the throttle, motor will run down to a dead stall, sounds like its getting no fuel also soundsa bit like I've hit the kill switch. I have to blip it before it stalls to keep it idling. Could the vacuum when the slide closes cause some wierd effect in the idle circuit?
Any thoughts anyone?
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Old 04-30-2013, 05:10 AM   #6082
wayne the one
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Location: Blacktown Sydney
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Quote:
Originally Posted by bigredroosta View Post
My '01 BRP pops annoyingly on decelleration, anybody know what causes this, is it carby related?
Also, riding at mid revs in 2nd or 3rd and back off the throttle, motor will run down to a dead stall, sounds like its getting no fuel also soundsa bit like I've hit the kill switch. I have to blip it before it stalls to keep it idling. Could the vacuum when the slide closes cause some wierd effect in the idle circuit?
Any thoughts anyone?
Running too lean on the idle circuit will cause excessive exhaust popping and stalling on deceleration. Open the idle mixture an extra half a turn.
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Old 05-01-2013, 12:47 PM   #6083
poppy
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Joined: Mar 2006
Location: G.C QLD
Oddometer: 2,146
Foiled

Well, looks like Errol Flynn has foiled me again. The air screw in the carby has no head left to scew or unscrew. What type of head did it have, flat blade, philips. It looks like it may have had a recess at some stage.
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Old 05-01-2013, 04:13 PM   #6084
KASUYAHO
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Flat blade Poppy.
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Old 05-01-2013, 05:40 PM   #6085
poppy
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Flat blade Poppy.
Thanks Glenn, thats what i thought. Looks like fuck fingers has got in there and tried to make it into a security screw and completly stripped the head off it.
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Old 05-01-2013, 07:59 PM   #6086
KASUYAHO
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Quote:
Originally Posted by poppy View Post
Thanks Glenn, thats what i thought. Looks like fuck fingers has got in there and tried to make it into a security screw and completly stripped the head off it.
They seize in the carby mate, mine did the same thing when under warranty.

anti seize on the new screw
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Old 05-02-2013, 02:13 AM   #6087
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http://www.power-barn.com/servlet/De...searchpath=595
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[QUOTE=troy safari carpente;24254589]
... the XR is the greatest off road motorcycle ever constructed. There's nothing it can't do, hasn't won or will not outperform.
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Old 05-02-2013, 02:15 AM   #6088
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http://www.power-barn.com/servlet/De...searchpath=595
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iam just not ready to be an adult
[QUOTE=troy safari carpente;24254589]
... the XR is the greatest off road motorcycle ever constructed. There's nothing it can't do, hasn't won or will not outperform.
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Old 05-02-2013, 02:16 AM   #6089
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http://www.power-barn.com/servlet/De...searchpath=595
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[QUOTE=troy safari carpente;24254589]
... the XR is the greatest off road motorcycle ever constructed. There's nothing it can't do, hasn't won or will not outperform.
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Old 05-02-2013, 11:24 PM   #6090
GSXR
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Joined: Sep 2010
Location: Sunshine Coast
Oddometer: 762
I have a spare air screw Doug if it gets you out of trouble. Maybe I can drop it down to you when I pick up the subframe on the weekend.

Howd you get on with the rest of the jets. Wouldn't stress too much about the air screw or pilot jet yet, as it's only low speed fine tuning. If you get that 175/177 main jet in there and the needle on the middle clip, you wont know yourself.
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