Question about Harley Davidson FLHR Road king Motorcycles

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What oil best for 2003 road king - FLHR Road king Harley Davidson Motorcycles

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  • 11 Answers

I've always used HD brand synthetic, as far as the viscosity goes, go with factory recommended, unless you have high miles and have oil consumption issues, if that was the case you can go with a slightly thicker oil.

Posted on Oct 13, 2013

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Posted on Jan 02, 2017

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Mitchy123
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SOURCE: oil weight for primary and transmission on 2003 Road King

You could get away with it for awhile, but I would only use oil formulated for the primary chain case, and for that part of the machine, I stick with Harley brand, dont forget , u got clutch plates in there u dont want slipping. For the tranny you wanna use a good grade gear oil (75W-90, 75W-110,75W-140, SAE 190 & SAE 250) .... it'll better handle the torque requirements. I use Redline Gear Oil and shifting has improved noticeably

Posted on Mar 22, 2009

  • 148 Answers

SOURCE: where is the oil dipstick on an 03 road king

The oil dipstick is located on the right side of bike almost directly under the football cover for the air cleaner. It's a round knob that pulls directly out (Kind of wiggle as you pull on it). Just check like a regular car dipstick pull, wipe and reinsert and then look at dipstick.

Posted on Jul 07, 2009

OneRide
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SOURCE: whet is the best way too check oil in a 2005 road

When it's cold in the morning. Shoot for halfway between full and add, cause the oil expands when it gets hot.

Posted on Jul 08, 2009

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SOURCE: Oil change directions, 2003 Road King

The drain plug is on the left side of the oil reservoir pointing towards the front of the bike. The motor should be warm when you dump the oil and the o-ring should be replaced as an extra precaution (don't want to waste that new oil if you have a drip). When replacing the oil filter use a piece of tin foil to divert the oil to your waste pan.

Posted on Jul 23, 2009

wd4ity
  • 4565 Answers

SOURCE: oil change procedure 2000 road king

the oil tank is on the bottom of the transmission in your RK. There are two drain plugs. The plug towards the front left of the pan is the oil drain plug. The other one is for the transmission.

Drain the oil, replace the filter, refill with three quarts of oil and you're ready to go. The dipstick has two marks on it. The upper mark is "FULL HOT", and the lower mark is "FULL COLD". Do not overfill.

Don't forget to service the transmission and the primary at their recommended intervals.

Good Luck
steve

Posted on Jul 26, 2010

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2 Answers

How do you repair leaking transmission oil on 2003 road king?


Take out the screws, drain the oil, remove the gasket and use brake cleaner to clean the thread holes and screws. Then put sealer like permatex on the gasket and the screws and put in back together.

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What weight oil in 2003 hd road king primary case


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CAN'T FIND THE OIL DRAIN PLUG ON MY (NEW TO ME) 2003 ROAD KING.


On the Road King, the oil pan is on the bottom of the transmission. Usually the engine oil drain plug is the one closest to the left front of the pan. The transmission oil drain is also under there so make sure the right oil is coming out. If it looks too clean, you're probably draining the transmission.

Good Luck
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May 27, 2011 | 2003 Harley Davidson FLHR Road king

1 Answer

Trying to change the oil in my 2003 road king classic. Took out the screws for oil to run out but nothing is coming out. Any ideas?


The oil tank is on the bottom of the transmission. If you look under the bike, the oil drain is drain plug closest to the left front of the tank. The drain closest to the center drains the transmission. Check the oil in both the engine and transmisson before starting the engine.

Good Luck
Steve

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What does it take to change oil pan gasket on 2003 road king


drain trans and engine oils and remove pan bolts and you should be able to remove or lower enough to change gasket.

Sep 28, 2010 | 2003 Harley Davidson FLHR Road king

1 Answer

WHAT IS BEST OIL TO USE AND WHAT VISCOSITY FOR 2002 ROAD KING


Your bike came filled with H-D Syn3 20W50 synthetic oil in the engine, primary case, and the transmission. To avoid getting into the "what's the best oil" argument, I'm going to recommend sticking with that. There are lots of oils that are good. Go to the Amsoil and Mobil oil websites.

Good Luck
Steve

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2 Answers

Oil change directions, 2003 Road King


The drain plug is on the left side of the oil reservoir pointing towards the front of the bike. The motor should be warm when you dump the oil and the o-ring should be replaced as an extra precaution (don't want to waste that new oil if you have a drip). When replacing the oil filter use a piece of tin foil to divert the oil to your waste pan.

Jul 22, 2009 | 2003 Harley Davidson FLHR Road king

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