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PostPosted: Sun Apr 16, 2017 6:37 pm 
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Joined: Sun Apr 28, 2013 5:59 pm
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Hi!

I need some help, my DR wont start.
I did some mods this week. I installed a nsu-kit from procycle, changed filter and oil, and decided to check valve clearance.
A bit high on both intake and exhaust. So I adjusted it down a bit.
(I might have slacked the chain tensioner (have installed a manual ct, last year), a bit when the engine was not at top down center.)
But everything seemed ok, so I took my DR for a little testride. The ride went ok, but the bike stopped a couple of times when the throttle was low (started right up again). Thought I could just adjust up the idle screw.

A couple of day later it wouldn't start, I've adjusted the valves numerous time (a bit up and down according to specs).
It's sparks on the new plugs, and the sparkplugs is wet from gasolin.

I wonder i my cam chain may be of by a tooth?

Is it "the line" or "the t" on the flywheel that is to be in the center of the inspection hole?
The marks on the camshaft is flush with the top, and the t is in center of the inspection hole.
Is this correct?

Does anyone have an idea/suggestions what the problem is?


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PostPosted: Sun Apr 16, 2017 7:04 pm 
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Adventure Rider
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Joined: Thu Aug 15, 2013 9:58 am
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Location: South Australia
Manual says get the T line in the centre of the hole on the compression stroke.

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2009 DR650SE. IMS tank, Renthal Fatbar, lowered pegs, Hindle pipe and 35F, saddlebag frames, BST Magic mods, open air box, heavier springs front and rear, windscreen, mini indicators


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PostPosted: Mon Apr 17, 2017 9:58 am 
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Hi again!

I've loosened the sprocket on the cam but I managed to screw it up.

Now I don't know if I'm at top dead center or one round of.

Is it possible to install the cam 180 degrees wrong??????

Does the cam only fit on position on the sprocket?


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PostPosted: Mon Apr 17, 2017 11:12 am 
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Adventure Rider
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Installing the cam 180 degrees out makes no difference. As long as the timing marks line up correctly it is fine.

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PostPosted: Mon Apr 17, 2017 11:38 am 
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ProCycle wrote:
Installing the cam 180 degrees out makes no difference. As long as the timing marks line up correctly it is fine.


Thanx!
I'm assuming that the sparkplug fire on both compression stroke and exhaust stroke!? Is that correct?


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PostPosted: Mon Apr 17, 2017 12:28 pm 
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Yes

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PostPosted: Mon Apr 17, 2017 3:57 pm 
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Problem still not solved :sad:

- I've had of the top at least 3 times, adjusted the chain 1 tooth forward and backward.

- Adjusted the valve clearing up and down within specs. (at least 10 times)
- Installed new spark plugs, and they work.
- Checked compression, and it seemed ok!

Bike still won't start!!!!!

I'm gonna clean the carb tomorrow, then ill see.

Beginning to become frustrated :diablo:

On the positive, I'm learning to know the mechanic s of the DR and memorize torque specs :s_smile

Does anyone have a tip on what might be wrong?


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PostPosted: Mon Apr 17, 2017 8:50 pm 
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Before going back in to the motor I would do a 'leak down' test to ensure there isn't something else compression related preventing the motor from starting.

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PostPosted: Mon Apr 17, 2017 9:06 pm 
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Joined: Mon Jul 25, 2016 11:22 pm
Posts: 181
Location: Brisbane
striderofthenorth wrote:
Problem still not solved :sad:

- I've had of the top at least 3 times, adjusted the chain 1 tooth forward and backward.

- Adjusted the valve clearing up and down within specs. (at least 10 times)
- Installed new spark plugs, and they work.
- Checked compression, and it seemed ok!

Bike still won't start!!!!!

I'm gonna clean the carb tomorrow, then ill see.

Beginning to become frustrated :diablo:

On the positive, I'm learning to know the mechanic s of the DR and memorize torque specs :s_smile

Does anyone have a tip on what might be wrong?


Sounds like your pretty sure on the valves now, so i can only offer things of my own stupidity to check for a long shot in a situation like this.

I've screwed up cable routings without realising, when working on a bike.
Moved em as I've jostled around getting access.

Sometimes they only need to move a touch to throw things out of whack, or a bump on a loose adjuster.
I've only noticed it afterwards - when you ask yourself why has the idle changed, and the bike start up is weird, i haven't even touched the carb.

Realise i'm clutching at straws for you.
Maybe your mixture is a touch off and adjusting the idle up at the time only masked the problem for that operating temp and moment.. Bit hard to check properly if you cant get the bike to run.
Sounds like your gonna re do the carb so i thought the above might be relevant.

Sorry i cant be of more help,
Know how frustrating these things are - i usually keep hearing myself say it's gotta be something obvious I'm just not seeing. Then a bunch of F words. Then i phone a friend.
Good luck.


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PostPosted: Mon Apr 17, 2017 9:13 pm 
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SuperMoto Dude
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Joined: Mon Apr 25, 2016 7:56 am
Posts: 484
Location: Minneapolis
dumb question but is the fuel tap on and is there gas in the tank?
stock tank and carb? did the vacuum hose to petcock come off the top of the carb?


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