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PostPosted: Tue Jan 31, 2017 10:10 am 
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Newbie
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Joined: Mon Jan 30, 2017 11:43 pm
Posts: 8
Location: USA
Hello! I got a 93 DR650S on a trade a few days ago. The previous owner said it will start sometimes. I have yet to get it started. I use the Tractorking method and that hasn't worked yet.

What I have done already:
Valves adjusted
Cleaned carb, it was filthy
New spark plugs (Walmart champion)
Gave it a few shots of starting fluid and didn't notice any attempt at a start


Also, while inspecting, I noticed a hole in the intake ports. Could this be what's causing the issue? What's the best way to fix it for cheap (JB weld, epoxy, etc)

I'm out of ideas. I am getting spark. Could the spark not be hot enough still? I seem to also be getting fuel. And Im assuming I have pretty good compression by how hard it is to kick over with out the decomp. Any help is appreciated! Thanks!


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PostPosted: Tue Jan 31, 2017 10:33 am 
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Adventure Rider
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Joined: Mon Aug 11, 2014 5:12 pm
Posts: 2641
Location: South Central PA
Are you getting spark?

Are the plugs getting wet w fuel?

Is it a hole that goes all the way through the casting or is it just a pit?

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PostPosted: Tue Jan 31, 2017 10:53 am 
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Joined: Mon Jan 30, 2017 11:43 pm
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Location: USA
I am getting spark. I haven't checked the plugs for fuel. That'll be my next course of action. When I pulled the plugs, they were still damp though

The hole seems to go all the way through.


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PostPosted: Tue Jan 31, 2017 11:00 am 
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Joined: Mon Jan 30, 2017 11:43 pm
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Location: USA
Also, the air fuel screw WAS 5-1/4 turns out. I set it to 3 as kind of a middle ground, because it seemed way high. What is a good starting point? 1-1/2 to 2-1/2?


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PostPosted: Tue Jan 31, 2017 11:19 am 
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SuperMoto Dude
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Joined: Wed Apr 06, 2016 4:27 pm
Posts: 406
Location: Ventura, CA
Here.. found a pic of the underside. I think what you're seeing is 'breakout' from the stud below. If you're getting any kind of spark at all, the starting fluid should have fired it. If it has been sitting for a long time, the oil rings may have dried out. Put about a teaspoon of oil in the cylinder. It will smoke a bit when it does start, but it will make compression that way. Check the intake boot and make sure it isn't cracked.


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Last edited by Todd157k on Tue Jan 31, 2017 12:49 pm, edited 5 times in total.
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PostPosted: Tue Jan 31, 2017 12:13 pm 
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Adventure Rider
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That is the threaded hole for the stud that holds the rear of the head to the cylinder. Look underneath and you should see a nut. As long as the stud and nut are there the hole does not matter.

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PostPosted: Thu Feb 02, 2017 7:42 pm 
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Location: USA
I'm running out of ideas. I tried the 2 stroke oil and roll starting it. I have spark and the plug seemed wet, however it looked a tad like the 2 stroke oil. Could it perhaps be the air/fuel screw or the choke not operating properly?

I'm going up put the old better quality plugs back in since the last time I tried kicking with those plugs,the carb was filthy.


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PostPosted: Thu Feb 02, 2017 8:45 pm 
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I would do a compression test - or preferably a leakdown test. Without verifying the engine condition anything else is just chasing your tail.

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