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Have oil comeing out of a line that is not hooked up to anything on my '79 XLH Sportster. would this b a case of oil sumping ??

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  • 60 Answers

Follow the steps in the manual if you have a manual and if you don't have one I recommend that you get one.

Posted on May 09, 2014

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Posted on Jan 02, 2017

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SOURCE: looking for oil pump timing marks 79 xlh in

pump is not reliant on the timing marks its just a pump so id say it hasnt been primed when assembled!
thats why top end is noisy {no oil getting through]
check the bleed holes for restrictions if ok then the pump needs servicing
Cheers rob.

Posted on Jul 28, 2009

wd4ity
  • 4565 Answers

SOURCE: I have a 1967 Harley XLH Sportster. I rebuilt the

"Backfiring" is a pretty broad term depending on where you live. Some people refer to backfiring as popping from the exhaust while others refer to it as the engine spitting through the carburetor.

I'll assume that you're talking about popping out the exhaust pipe. If it does this after you rev the engine and it backfires on the way back down to idle, this is typical of an exhaust system sucking air. The mixture is extremely rich under these circumstances and will not ignite. But, if your exhaust system is sucking air, it combines with the fuel air mixture already there and bring it to an explosive mixture thus the backfire.

You can check you valves but I've always found that if the valves on an Ironhead are too tight, it's extremely difficult to get it started due to the low compression on that cylinder.

Check you ignition timing and points setting. Also, what kind of condition is your mechanical advance in the distributor in? I'm assuming this is an XLH model and not the magneto equipped XLCH.

What type of carburetor is on the engine? Hopefully not the original Tillotson that it came with. If it's an S&S, the low jet should be a 28 and the main jet a 66 to 70.

Posted on Jun 11, 2010

wd4ity
  • 4565 Answers

SOURCE: specs and oil capacity

Most owners of the old Ironheads try to use the oils that were used when they were built. They use straight 50 weight when the weather is cold and 60 weight when temps are hot. But, one could use 10W50 oil in them. I would not use synthetic as any oil leaks will intensify with the use of synthetic oil. The XLH, XLX, and XLS tanks hold three quarts with the exception of the XR1000 which hold two quarts.

Posted on Jun 20, 2010

wd4ity
  • 4565 Answers

SOURCE: 2000 HD Sportster XLH - makes "clicking" sound trying to start

Ok, If you are absolutely sure the battery is good, there are several possibilites. If the battery is over a year old, take it to an automotive parts store and ask them if they can load test it. They'll usually do this at no charge.

If the battery is good, the first problem could be in the starter relay. Look at the end of the starter from the right side of the bike. You'll see a plate on the end that is roughly shaped like a pentagon. Just above that plate is a plug with a single wire. Unplug this wire and use either a test light or a digital volt ohm meter to check for voltage when you press the starter button. If you do NOT have voltage and the clicking you are hearing is coming from under the seat, you probably need a starter relay.

If you have 12 volts on that wire, you're problem is in the starter. Disconnect the negative cable from your battery. Now, take the three small screws out of the back of the starter that holds the pentagon shaped plate on. Underneath the plate is a plunger and a spring. Remove these parts and look at the copper contacts on either side of the solenoid and on the plunger. If they are burned badly, you need to replace them. You can get the parts through an aftermarket supplier and they are not very difficult to replace. Usually, it can be done without removing the starter. Simply replace the contacts and a new plunger comes with the parts kit. Reassemble the starter, reconnect the battery cable, and you should be ready to go.

Good Luck
Steve

Posted on Jul 05, 2010

wd4ity
  • 4565 Answers

SOURCE: where is the oil filter

I don't think the '79 model had an oil filter. The '80 & '81 model had a bracket that had a filter between the rear cylinder and the oil tank. The 78 and earlier models had the drop in filter in the tank. I think you can put one on if you change the front engine brackets to '82 to early '84 models.

Good Luck
Steve

Posted on Sep 12, 2010

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I can send you a drawing but not via this forum, you'll have to contact me directly at wd4ity@bellsouth.net . I'll send you a drawing of the slightly later model but if you have a 1979 model bike, the drawing will show you what you need. A best as I can remember, the '79 model did not have an oil filter on it. Harley did offer a "kit" with which to add the filter but it didn't come stock. Still contact me off forum and I'll scan the pic and send it to you.

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Looking for oil pump timing marks 79 xlh in relation to crank, cams, case ? have oil pressure in oil tank and upper end noise after running a few min.lines are not restricted engine has been rebuilt by...


pump is not reliant on the timing marks its just a pump so id say it hasnt been primed when assembled!
thats why top end is noisy {no oil getting through]
check the bleed holes for restrictions if ok then the pump needs servicing
Cheers rob.

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