101 Perhaps an air leak in the low pressure suction of the fuel tank. Fri Aug 05, 2022 9:55 pm
barney t weasel
active member
An air leak seems to be present. Is this possible. Air leaking in may cause the pump to cavitate. good luck.
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Point-Seven-five wrote:I wouldn't take much of a stretch of imagination to see that the fuel flow is so severely limited that there would be just enough in the rail to start the bike, but not enough flow to sustain the running.
robmack wrote:If the rubber parts in your tank were deteriorated and turned to black goo, and the pump circulated that stuff into the fuel rail, then it is most likely that the filter in each one of the injectors was contaminated. Not enough to stop fuel flow but enough to reduce it. Having an injector overhaul may be in order.
Point-Seven-five wrote:Have you tried spraying some starting fluid in the air intake when the engine is struggling? If the problem is injectors sticking, the starter spray will make the engine run better.
The reason I asked how many miles you've ridden the Brick is this:Bikesmith wrote:1 - I messed something up while tuning up the bike:
* Check throttle body sync. This was the last service I did before the problem (After the 20 mile warm up), so maybe the most suspicious. But I've done it dozens of times, and I didn't even do an adjustment this time. It was already spot on.Bikesmith wrote:Laitch - I've owned the bike for around six years and have put about 18,000 miles on it.
The pleasure is mine, J, besides, you still have in the future the other maintenance—whatever that might have been—in the bundles you were doing during those 20K miles or so plus navigation duties in the voyage of discovery upon which you now have embarked. Things are looking good!Bikesmith wrote:Thanks for releasing me from a maintenance duty!
How much riding have you done with them, Jon? I imagine many K1002V owners will be anxious to know the outcome of your field trials.Bikesmith wrote:It's done.
From the model number J has given us, he bought a pair of dual spark 3.0Ω primary resistance coils for somewhere in the neighborhoods of 150–199USD per pair. Secondary resistance isn't listed on the Dynatek site, where I could find it anyway.daveyson wrote:Have you measured the primary and secondary resistance, and how much did they cost?
Again, try shooting some starter fluid in the intake to confirm that you have a fuel problem. Once you have confirmed that, try Dai's suggestion of opening the FICU. Your problem sounds a lot like intermittent fuel delivery. I would look very carefully for a broken connection or a cold solder joint that could possibly cause an intermittent failure.Dai wrote:Regarding the FICU: try taking it apart and checking for anything (anything!) visually anomolous (burn marks, corrosion, that sort of thing). S/H FICUs are going for about $90 on ebay here. Even Motorworks don't want more than about $200.
All prices approximate because I'm too lazy to go to oanda.com and enter some figures
Last edited by daveyson on Mon Aug 15, 2022 9:46 pm; edited 2 times in total
Have you tried the FICU tests in the troubleshooting guide?Bikesmith wrote: I don't know any way to test the FICU specifically other than replace it.
Bikesmith wrote:
- I'm actually getting no signal at all from the idle switch, ...
What is the number of that post, J? I found a list of ICU results but the FICU results are eluding me.Bikesmith wrote:Laitch, See my previous post. I listed all the results of the FICU test.
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