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| Return to: LT500R - Engine | |
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| #Post#: 54707-------------------------------------------------- | |
| Zilla not running clean and milky oil | |
| By: DP157 Date: January 5, 2024, 7:42 pm | |
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| Hi Guys - new to the board. I have a 1990 LT 500 and it is | |
| stock as far as I know. I bought it some time ago and the PO | |
| claimed it ran fine. I ran it in my driveway when he brought it | |
| to me but nothing more than that, seemed to idle and rev OK. | |
| Fast forward a year or more when I want to get the machine out | |
| and rolling (for Little Sahara last October). Had to clean the | |
| carb to get it going and the pilot jet was completely plugged. | |
| I run the bike and it just won't run correctly. Idles fine but | |
| mostly won't clean out, won't rev correctly. If I run it on the | |
| street it eventually gets up to speed but was either not running | |
| clean or even seemed like the clutch was slipping thru the | |
| midrange. So, I pulled it in and removed the clutch cover to | |
| discover milky oil. I was able to look thru to the other side | |
| of the cases and the oil was the same color. I was questioning | |
| if this was a water pump/seal issue of if it was a blown head | |
| gasket issue. I did fill the radiator and removed the cap after | |
| starting it today and it did not seem to be blowing coolant out | |
| of the radiator. Seemed more like the coolant was just | |
| bubbling/surging when revved up. Lastly, was running it in my | |
| enclosed 20x32 shop today with the doors closed but it seemed | |
| like the smoke was whiter than I am used to with 2 strokes. | |
| Totally filled my shop up and had to open up and run fans. So, | |
| I guess I'm wondering if I have a water pump issue, or a head | |
| gasket issue or both (?). Could I also just need to go back | |
| thru the carb to clean things up? Is there any downside to just | |
| pulling the head to look other than the cost of a gasket? Sorry | |
| for the long write up and thanks in advance for any assistance!! | |
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