Oil dripping from intake - VTXOA
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post #1 of 16 (permalink) Old 04-16-2019, 08:14 PM Thread Starter
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Angry Oil dripping from intake

I picked up another VTX last year. I needed to ride until my other X could be shipped from the last place I had lived. Sad to say the previous owner wasn’t very bright and worked on it himself.

I have replaced left and right control switches.... Grips... polished neglected chrome...ground fix...etc. Fired it up today to check New Daymaker installation and it begins to miss... and the engine seems to be a bit noisier and I can see oil dripping from the Hypercharger.... ideas regarding what I am about to get into?


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post #2 of 16 (permalink) Old 04-16-2019, 08:19 PM
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Originally Posted by Landisil View Post
I picked up another VTX last year. I needed to ride until my other X could be shipped from the last place I had lived. Sad to say the previous owner wasn’t very bright and worked on it himself.



I have replaced left and right control switches.... Grips... polished neglected chrome...ground fix...etc. Fired it up today to check New Daymaker installation and it begins to miss... and the engine seems to be a bit noisier and I can see oil dripping from the Hypercharger.... ideas regarding what I am about to get into?


Open the air box drain at the bottom of the filter box. Oil is from the crankcase breather, pretty much standard on the VTX, not a problem should be drained at every oil change!


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post #3 of 16 (permalink) Old 04-16-2019, 09:28 PM
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Do as BobSill recommends. If you end up with a lot of excessive oil in the breather you are likely looking at blow by. That's new rings and possibly pistons and maybe even new jugs. You don't mention the year of your bike. Really excessive blow by is uncommon for this bike. Some early 1800s had piston, cylinder issues with scoring, but even then excessive oil from the breather wasn't generally a problem.
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'12 Road Glide Ultra, Kuryakyn Alley Cat intake, Jackpot Super Duals header, Jackpot HiRoller mufflers, PV Tuner, Daymaker LEDs
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post #4 of 16 (permalink) Old 04-16-2019, 11:51 PM
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Hypercharger - what do people do with the crankcase vent hose when you remove OEM filter??

Check oil level, FPR on 1st Gen 1800 could be the problem.

Provide year and model..
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2005 1300c Red, Mustang seat, HK 2.5 straights. Leds for safety-front & back. 190,260 VTX miles
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post #5 of 16 (permalink) Old 04-17-2019, 09:36 AM Thread Starter
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Sorry Guys. Just finished the Daymaker and was a bit tired. It is a 2003 Vtx 1800C.
I am familiar with a bit of Oil in the intake...just not this amount. I will pull the Hypercharger and clean it up. I am wondering if the miss and oil is related.

Thanks


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Last edited by Landisil; 04-17-2019 at 09:39 AM.
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post #6 of 16 (permalink) Old 04-17-2019, 09:45 AM
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There is no catch tube on the Hypercharger. The crankcase vent hose is attached to the Hyper and the oil drips into the filter element until it can no longer hold it and then it drips on the engine. Take the filter out, clean it up getting a K&N filter recharge kit from Autozone or Napa. Then some have got new vent hose in a longer length and run it down the frame so it comes out in front of the rear tire. Then they put a filter breather on the end to keep crud out of the hose
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post #7 of 16 (permalink) Old 04-17-2019, 09:50 AM
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Do a good cleanup, as Spike suggested. If you are getting enough oil from the breather after that to cause a problem in how the engine runs, and the filter is quickly saturated again, then you may have a problem.
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post #8 of 16 (permalink) Old 04-17-2019, 11:38 AM Thread Starter
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Thanks Spike and Harkon... I will do exactly as suggested Friday. I will keep this thread updated.



Thank you.


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post #9 of 16 (permalink) Old 04-20-2019, 02:18 PM Thread Starter
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Okay...an update.... I pulled the Hypercharger and yes... full of oil...cleaned and reassembled. One additional question. I had to jump the bike to crank. After the bike was running...I carefully pulled the battery...yes while running...no I didn’t short out the positive side... the bike immediately died. With battery out I jumped it from my car. I disconnected the cables and it died once more. Shouldn’t the alternator produce sufficient power to run the bike?


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post #10 of 16 (permalink) Old 04-20-2019, 03:44 PM
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Flywheel with Permanent magnets at crankshaft RPM.
Stator/alternator puts out 100% for a given RPM, puts out little voltage/current at idle.
The charging system on the VTX "shorts" the stator to control voltage.
The engine will not run without a battery attached.

Automotive alternator spins 3 times faster than crankshaft RPM.
Dynamic voltage regulation allows voltage to increase/decrease output as needed.
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File Type: png 1800 charging cktv2a.png (83.6 KB, 10 views)
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Last edited by Hans&Feet; 04-20-2019 at 07:37 PM. Reason: Added more info.
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