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Posted by zlatko83
 - September 19, 2013, 02:25:12 AM
Quote from: Petemoss on September 18, 2013, 14:59:39 PM

I'm trying to put my issues together.
Zlatko, your not using oil by chance?

Sorry, I did not understand exactly, what did you mean? If my engine used oil? Answer: no :)
Posted by Petemoss
 - September 18, 2013, 14:59:39 PM
Quote from: Troll on September 18, 2013, 14:38:04 PM

Why? oh well, OK...

I'm trying to put my issues together.
Zlatko, your not using oil by chance?
Posted by Troll
 - September 18, 2013, 14:38:04 PM

Why? oh well, OK...
There are a few things that strike me about this. First, you say the problem started last year. There are a few things that could cause this all of a sudden and does not provide any type of computer code. One of them is leaking diaphragm in the fuel pressure regulator. This would cause the fuel to dump into the vacuum port on the throttle without any regulation. It may be a problem with the manifold pressure sensor. There is a vacuum hose connected to the throttle and if the hose is leaking (this is some pretty old rubber, after all), then the sensor will be asked to provide more fuel than usual. I will give this post via google translate and see if this will help with language barriers
I had to retype a few things cause the translator made it worse....

Posted by Petemoss
 - September 18, 2013, 14:11:36 PM
Quote from: Troll on September 15, 2013, 15:03:48 PM

Obstaja nekaj stvari, ki me stavke o tem. Prvič, morate povedati problem začel lani. Obstaja nekaj stvari, ki bi lahko povzročila to povsem nenadoma in ne določa nobene vrste računalniške kode. Eden od njih je lahko slabo membrane v regulator tlaka goriva. To bi povzročilo goriva na smetišče v vakuumsko vrata na lopute brez kakršnekoli ureditve.Drugi pa je lahko problem z razdelilca senzor tlaka. Obstaja vakuumsko cev priključite na lopute in če da cev pušča (to je nekaj precej stara guma, navsezadnje), nato senzor bo računalnik vprašal, da zagotovi več goriva, kot ga ponavadi. Bom dal to objavo preko google translate, in videli, če bo to pomagalo pri jezikovnih ovir ...You are going to have to remove the fuel tank to check these things out. ANY fuel in the vacuum lines is a reason to look further. The MAP and BARO sensors are the same part, MAP sensor will have a vacuum hose on it, and the BARO sensor will not. Vacuum leaks here will cause a rich running condition without any codes.

Troll, can you repost this in English?
Posted by zlatko83
 - September 16, 2013, 02:29:01 AM

Thank you! Google translate is not exactly, but I undestand, thank you for your effort 8)
I was controled also MAP and BARO connestors, contacts are clean, all rubber hoses look good...
May be, I must remove fuel tank again and check these things exactly.
There is no FI error, also self test run without errors.

Posted by Troll
 - September 15, 2013, 15:03:48 PM

Obstaja nekaj stvari, ki me stavke o tem. Prvič, morate povedati problem začel lani. Obstaja nekaj stvari, ki bi lahko povzročila to povsem nenadoma in ne določa nobene vrste računalniške kode. Eden od njih je lahko slabo membrane v regulator tlaka goriva. To bi povzročilo goriva na smetišče v vakuumsko vrata na lopute brez kakršnekoli ureditve.Drugi pa je lahko problem z razdelilca senzor tlaka. Obstaja vakuumsko cev priključite na lopute in če da cev pušča (to je nekaj precej stara guma, navsezadnje), nato senzor bo računalnik vprašal, da zagotovi več goriva, kot ga ponavadi. Bom dal to objavo preko google translate, in videli, če bo to pomagalo pri jezikovnih ovir ...You are going to have to remove the fuel tank to check these things out. ANY fuel in the vacuum lines is a reason to look further. The MAP and BARO sensors are the same part, MAP sensor will have a vacuum hose on it, and the BARO sensor will not. Vacuum leaks here will cause a rich running condition without any codes.

Posted by zlatko83
 - September 15, 2013, 12:42:04 PM

I test also without air filter. It is same. I was check air temparatur sensor, termostat, other sensor, everything look good. Definitively, it was wrong mixture (too much gas, a low air). When cold engine work and I add power, from exhaus come a little black smoke. The problem was not new. Something (bad mix) dastroy spark plugs. Last year with DPR7EA-9, the problem was started in october, this year with DPR6EA-9 in augist. I use 98-100 oct gasoline. With 95 in Slowenia, engine work unrested (we have bad gasloline). When I fill in Austria 95, engine work same as Slowenian 100 :-\
My friend said, may be exhaus. I have broken exthaus (connect between catalyst and back exhaus). He said, it is FI model, may be :-\ He drive VN 1500 with carburettor, engine work much better like my.

Posted by drifter-paul
 - September 15, 2013, 03:56:03 AM

What petrol are you running ? 94 RON is specified , 95 is fine (easy to get (in Australia),what I use) 98 is wasted money(no improvement in performance for extra cost), don't know about 91 RON (tends to be ethanol based, and I won't touch that shit  - the ethanol rather than the RON).
I use DPR6EA-9 for normal use, and DPR5EA-9 for cold weather. Normal is up to 40 C and down to 10 C, cold (for me) is below 10 Celsisus 

Posted by greenbarn
 - September 14, 2013, 20:44:44 PM

Yeah, that doesn't look like the spark plug's fault.  Something else is making it run too rich.  Not enough air - too much fuel.  Like Troll said- PC messing up??  Plugged air filter? (it would have to be pretty clogged..)

Posted by Troll
 - September 14, 2013, 18:20:04 PM

Looks like it's running pretty rich, or the spark is weak. What kind of fuel mileage are you getting? There are many reasons for it to run rich, but the most common seems to be a power commander set up wrong...

Posted by zlatko83
 - September 14, 2013, 14:50:28 PM

Problem was spark plugs. All four are black, bad spark, jump here and there. But spark plugs are 4 month old, cca 3000km, recomended model NKG DPR6EA 9.

I was test and built in NKG DPR7EA 9. I make test drive about 150km, engine work well, without problem. But, when I check spark plug after test drive, black again.

Possible problem with burning? I also check air filter. It was 3 years old, about 14000km, but look well?

Posted by dakuhosu
 - September 04, 2013, 08:19:30 AM

Sure strikes me as airflow. Silly question but hows the air cleaner look?

Posted by Troll
 - September 04, 2013, 07:39:38 AM

Fuel filter is inside the tank on R models...I'd look for white marks on the inside and the outside of the spark plug caps, which would indicate spark leakage to the cylinder head, or the base of the plug.

Posted by DC
 - September 04, 2013, 07:19:05 AM

Check the fuel line from the tank.  There may be something intermittently clogging it.

Posted by zlatko83
 - September 04, 2013, 04:04:00 AM

Thank you for suggestion.
The bike is year 2002 and 50.000km (about 31.000 miles).
The engine was not cold, I usually few minutes heat engine before drive.
I was chech spark plugs, it was right model and look good. I think, spark plug is not problem.
May be cable, spar plug cap??? It was factory install (11 years old).
Sutter is only under load (when I start to drive), when I rev it up (heating engine before drive), work well.
Dry or wt weather does not matter.

I must check fuel flow (vakum or fuel filter), it is possible problem. But, I must first find fuel filter :-\
FI lamp does not lite.

I was forget to write, it was happened first time last year, at the end of bike seazon. After service this year, work a month well, than start problem again.

Thank you for now. If you have any suggest, you are welcome. I will try to resolve problem follow your instruction and report.

regards, Zlatko

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