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Old 05-21-2013, 07:14 PM   #76891
NordieBoy
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Joined: Dec 2006
Location: Kiwiland
Oddometer: 7,147
Quote:
Originally Posted by motolab View Post
OK, so just to make sure I understand, your NZ/AU DR650 came with a bare brass emulsion tube, but the NZ/AU spec replacement is nickel plated?

Regards,

Derek
I ordered a Needle Jet for a DR650 locally and got the nickel plated Y5-M instead of our brass Y5.
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Old 05-22-2013, 12:29 AM   #76892
ketur
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Joined: Mar 2013
Location: Oregon USA
Oddometer: 29
I just found out previous owner put rear axle in the wrong direction. Nut is on left side. I don't think this is catastrophic but I'm finding a rather large handful of funny things on this bike. Also I'd say the rear axle was torqued to about 20ft lbs... Thank goodness for cotter pins...
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Old 05-22-2013, 12:38 AM   #76893
Magnum Noel
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Joined: Aug 2010
Location: Wellington NZ
Oddometer: 196
Quote:
Originally Posted by RideAlongAtlas1 View Post
My new DR650 has not done more than 200km on its standard tank. I've had in around 2 months. Conked out twice. At the moment it's in the garage and has done close to 200km, but I turned it to reserve earlier this evening as I was riding along.
"A DR650 does 200km on a standard 13l tank. It therefore uses 6.5 litres per 100km".
Under normal urban and highway conditions. Fair or unfair statements?
Mine uses between 4.5 and 5.5L per 100k depending on riding style etc. Standard exhaust and DJ kit.
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Old 05-22-2013, 12:42 AM   #76894
blackcap
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Joined: Jul 2008
Location: Wollongong aka stink-town, Australia
Oddometer: 550
just a couple of quick questions to the collective knowledge pool; will the stock chain guide work with a 47t rear sprocket? and do the powerbomb header pipes have any special technology inside that little expansion chamber, or is it just that, an empty expansion chamber?
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Old 05-22-2013, 04:55 AM   #76895
RideAlongAtlas1
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Joined: Apr 2013
Location: Australia
Oddometer: 147
Quote:
Originally Posted by Chill View Post
Sounds similar to my first few tanks.I used to get about 230km to the standard tank eventually from memory. But I also remember the first few tanks went quick until I got the hang of how to get the most out of the bike. I came to if from a big 4CYL bike and the power's in a different place here. I switched to a Clarke tank 15L and it goes to reserve around the 300km mark, so I'd probably run dry at 350km.

What fuel do you put in. I used to use BP95 but have tried 98 recently, feels a bit quicker but that could be in my mind. I was getting occasional pinking on 95.
I've been using 91 octane. Do you reckon if I went higher it'll help? What is 'pinking'? Cheers
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Old 05-22-2013, 05:07 AM   #76896
rpet
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Joined: Aug 2010
Location: Brooklyn, California
Oddometer: 820
Quote:
Originally Posted by blackcap View Post
just a couple of quick questions to the collective knowledge pool; will the stock chain guide work with a 47t rear sprocket? and do the powerbomb header pipes have any special technology inside that little expansion chamber, or is it just that, an empty expansion chamber?
probably not; probably not; yes.
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Old 05-22-2013, 05:53 AM   #76897
Rusty Rocket
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Joined: Dec 2005
Location: Trying to leave CT
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Quote:
Originally Posted by RideAlongAtlas1 View Post
I've been using 91 octane. Do you reckon if I went higher it'll help? What is 'pinking'? Cheers
I run the highest octane I can find. Usually 93. I get "pinging" (detonation) at heavy load. Usually too low of a gear at a large throttle opening, like when you should be downshifting, but can't because you are climbing a hill in nasty rocky terrain and can't get to the shifter quick enough. It is worse for my bike on lower octanes.
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Old 05-22-2013, 06:41 AM   #76898
8gv
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Joined: Nov 2009
Location: North central CT
Oddometer: 2,522
So let's see if I got this right...

Valves are in spec
Stock everything
Plugs are new, gapped and clean

I was getting some light backfire when using engine braking with the throttle closed. I turned the mixture screw richer (out) a half turn and it went away.
I did this because I believe the backfire came from a lean condition.

Am I right?
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Old 05-22-2013, 07:25 AM   #76899
3DChief
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Joined: Jun 2010
Location: Montana
Oddometer: 412
No. The backfire comes from a lack of a decel circuit in the BST40 carb. Many carbs have a circuit that trickles a small amount of fuel when the throttle is closed and that's why you don't hear it on them. Suzuki chose not to use that system. The only correct way to get ride of it is to replace the carb with one that has a decel circuit. That backfiring is not hurting a thing, Suzuki engineers know a thing or two about engines.


Tim
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Old 05-22-2013, 08:27 AM   #76900
thump!
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Joined: Jan 2007
Location: Northeast Tennessee
Oddometer: 1,647
Quote:
Originally Posted by Rusty Rocket View Post
I run the highest octane I can find. Usually 93. I get "pinging" (detonation) at heavy load. Usually too low of a gear at a large throttle opening, like when you should be downshifting, but can't because you are climbing a hill in nasty rocky terrain and can't get to the shifter quick enough. It is worse for my bike on lower octanes.
Usually pinging means you're on the lean side of stoichometic combustion for a given compression ratio and timing advance. Higher octane fuel exists for the purpose of preventing detonation. Those fuels burn more slowly than lower octane. Theoretically you will get maximum fuel mileage and maximum power running the lowest octane that prevents detonation (pinging).
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Old 05-22-2013, 09:24 AM   #76901
dresda
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Joined: Jul 2008
Location: South Eastern Shore of Ontario
Oddometer: 999
Pinging aka as pinking sounds like a bunch of metal sock knitting needles dropped onto a concrete floor. Just in case anyone wonders what it sounds like.


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Old 05-22-2013, 09:59 AM   #76902
ER70S-2
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Joined: Sep 2009
Location: SE Denver-ish
Oddometer: 7,259
Quote:
Originally Posted by 8gv View Post
So let's see if I got this right...

I was getting some light backfire when using engine braking with the throttle closed. I turned the mixture screw richer (out) a half turn and it went away.
I did this because I believe the backfire came from a lean condition.

Am I right?
Although the backfire went away, so did several MPG. The mixture screw flows fuel at all throttle openings and wastes some fuel doing so. Tim nails the explanation below.

Quote:
Originally Posted by 3DChief View Post
No. Yes. The backfire comes from a lack of a decel circuit in the BST40 carb. Many carbs have a circuit that trickles a small amount of fuel when the throttle is closed and that's why you don't hear it on them. Suzuki chose not to use that system. The only correct way to get ride of it is to replace the carb with one that has a decel circuit. That backfiring is not hurting a thing, Suzuki engineers know a thing or two about engines.


Tim
Fixt to avoid confusion, even if I was the only one.
Technically, the backfire comes from a lean condition, as you went on to say.
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Quote:
Originally Posted by Threewheelbonnie View Post
"BTW, I don't do style. It's a dirt bike, not some girlie dress-up thing." -
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Old 05-22-2013, 10:17 AM   #76903
yachabibi
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Joined: Dec 2012
Location: North east US of A, MA-PA
Oddometer: 34
so... cop pulled me over, tail light not working

Last night, toward the end of a very long ride, 650 miles, a cop pulled me over to tell me that tall light wasn't working.
I had to tape my flashlight ( red led) to my luggage rack so cop would let me go.
I have the 250 mod and the led license plate light.
Neither are working when the bike is on but both light up for breaking.
this problem is also intermittent.
where do I even start trouble shooting?
Apart from replacing turn signals and battery I have installed Oxford heated grips and hid headlight from procycles.
thanks
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Old 05-22-2013, 10:33 AM   #76904
Adv Grifter
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Joined: Jan 2010
Location: Passing ADV Stalkers in California
Oddometer: 6,128
Quote:
Originally Posted by ER70S-2 View Post
Although the backfire went away, so did several MPG. The mixture screw flows fuel at all throttle openings and wastes some fuel doing so. Tim nails the explanation below.
Technically, the backfire comes from a lean condition, as you went on to say.
Yea, seems counterintuitive. Also, the mixture screw flows fuel even when throttle is fully closed, that fuel is wasted.

I found by leaning out my mixture screw (pilot fuel screw?), my overall MPG went up from about 46 MPG up close to 50 MPG. My idle is just a tiny bit lumpy but worth it for the improved MPG. I have the stock muffler and wear ear plugs, so the minor backfiring not an issue (for me). With a loud Yosh pipe (or other loud pipe) ... it may drive you crazy?
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Old 05-22-2013, 10:44 AM   #76905
ER70S-2
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Joined: Sep 2009
Location: SE Denver-ish
Oddometer: 7,259
Quote:
Originally Posted by yachabibi View Post
Last night, toward the end of a very long ride, 650 miles, a cop pulled me over to tell me that tall light wasn't working.
I had to tape my flashlight ( red led) to my luggage rack so cop would let me go.
I have the 250 mod and the led license plate light.
Neither are working when the bike is on but both light up for breaking.
this problem is also intermittent.
where do I even start trouble shooting?
Apart from replacing turn signals and battery I have installed Oxford heated grips and hid headlight from procycles.
thanks
Hi Yachabibi and welcome to the site.

The plate and tail light run on the same wire, start at the tail light and work your way forward.
Do us a favor and fill in your profile location; state or country.

The red circles indicate connectors that aren't used in the USA. So you'll find plugs just hanging around, don't fret.
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2004 DR650: 62,605 miles
2013 WR250R

SUZUKI DR650SE INFORMATION INDEX
Quote:
Originally Posted by Threewheelbonnie View Post
"BTW, I don't do style. It's a dirt bike, not some girlie dress-up thing." -
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