Panhead flywheel timing marks. Only once, on the compression stroke, really matters for timing Check ignition timing: At every 5000 mile (8000 km) service interval. that is TDC= Top Dead Center. One of the small dots lines up with TDC. A single slash comes into the timing plug window first while the front piston is near the top but not there yet(adv). Rotate the engine backwards, slowly. the pinion gear is indexed to the pinion shaft so is always where it needs to be relative to the crank, just line up all the the marks and you are fine. To start out, I placed the timing mark on the housing in line with the end edge of the Timing Adjusting Plate Jan 13, 2022 · As far as the marks on the flywheel go, remember that the full cycle of a four stroke motor is 720 degrees, or 2 full turns of the flywheel. The original handbook for a 65 electra says that the single timing mark on the flywheel is for front cilinder fully advanced, 35 degrees before top dead center, and the double timing mark is for the front cilinder in retard position, 5 degrees before top dead center. Sep 17, 2017 · No early panhead has an F or an R on the flywheel. Anyway, you gotta have flywheel timing marks on there. Locate the proper timing marks for your engine. Jun 12, 2007 · Instead of pulling dist and relocating it,i removed the gear cover and found the timing marks way off,i then rotated the engine and found they did line up,but the flywheel timing slot was nowhere to be seen in the hole,i then checked the front piston location,seems when they line up the front piston is 7/16 about from bdc,instead of ready to The timing gear marks have nothing to do with the flywheel timing mark. If good Take a artists brush or Q-TIP,& use Hi-Temp white paint in a rattlecan. Jun 8, 2023 · I had apparently installed my spark timer off a tooth. Aug 21, 2004 · Then look in the timing hole with the light flashing and rotate the mallory until you see the timing mark. Jun 12, 2009 · I did cheat a little on the static timing. After assembly, you can then turn the motor through to install the timer by the flywheel mark. Nov 11, 2017 · I am upgrading my oil pump on 1950 Panhead with an S&S unit. Sep 7, 2015 · So it turns out my first pan motor is a later outside oiler motor, despite what it says on the case, it was giving serious kickback when I tried to start it so I thought it's preignition caused by the timing being too far advanced, the timer is a single point circuit breaker automatic advance, Which would be correct for 65, I removed the timer cover, plugs, timing inspection plug, and Jul 15, 2016 · I have a 70's era built Panhead made from spares. Nov 27, 2018 · I'm now down to the final stages. Double line started in 65, single line is full advance for front cylinder. I used a degree wheel to accurately determine TDC. Now, the points rider does not line up with cam, doesn't matter if I put flywheel mark from right edge or in middle. Jan 18, 2015 · Mark----Clean the mark on wheel real good!--Then use some denatured alcohol on a rag & wipe the mark clean!. TQ May 25, 2018 · At full advance, running, you should see the timing mark on the right side of the center of the hole (I prefer to have just a little sliver of flywheel showing to the right side of the timing mark). The two parallel marks are probably as the piston begins its downward stroke best I can tell. and make sure that the timing adjusting plate is lined up with the timing mark on the side to. '21 LowRider ST 126 rwhp, 134 rwtq, Kinda stock '05 Carbed Night Train (Sold) 111 rwhp, 112 rwtq Best 1/4 ET 12. This avoids the confusion of what Harley did with the marks which is a really bad joke! Which mark you use depends on what ignition you have Oct 20, 2007 · Aligning the timing marks in the gearcase does not put the motor at any particular position relevant to the timing mark. Make the mark Let it dry REAL-GOOD--Use a heat-gun if you want. I can't turn the plate far enough. I swung the flywheel around to the compression stroke just after the intake closed and put the timing mark in the window. I actually have two flywheel marks. Id like a definitive and quantitative way of measuring timing in motors with swapped flywheels, especially if assembled (ie heads on). INSPECTION. Find out for sure which mark shows TDC and which mark is the timing mark. Apr 24, 2013 · 55FL with original fly wheels and timing mark. THIS is the mark you want to time to. If it doesn't, TURN THE IGNITION "OFF", re-check the position of the flywheel timing mark. The narrow lobe is the lobe you use to set the timing. Dec 13, 2015 · flywheel timing mark location in engine case timing hole dual breaker point manual advance ignition timer 61-64 Early 1961 fly wheels have only one mark for front cylinder and require use of a gauge to determine position of piston in rear cylinder. with the ignition on and the spark plugs grounded and plugged into the coil wires I slowly rotated the timer towards full advance. 5. He also mentioned he got a lot of pinging and changed it back. Feb 28, 2013 · • S&S Harley-Davidson® Sportster® model flywheels have three timing marks, “F”, “R” and “TF”. Apr 27, 2008 · The original handbook for a 65 electra says that the single timing mark on the flywheel is for front cilinder fully advanced, 35 degrees before top dead center, and the double timing mark is for the front cilinder in retard position, 5 degrees before top dead center. Skip to content Aug 21, 2004 · Ron, your HD service manual [you must have] covers this in detail. 022 with that indicated mark on the wheel just coming into the window. It has one narrow, more pointed lobe and one wider, more rounded lobe. Nov 25, 2002 · Remove the timing cap so you can see the flywheel mark. 3. Stock 1965 auto advance timer in excellent shape. NOW, I can slip the timer head up and around to a notch that is close to the timing marks on the camshaft and the fiber follower. The mark on the cam lobe is merely a reference point, NOT the correct timing position. Oct 10, 2002 · Lamp will light. 5ohm Dyna coil mounting mockup for single fire ignition. My factory service manual for '48 to '57 panheads describes how to static time the engine from the flywheel timing mark showing in the inspection hole. lots manuals all show the single line but also Sep 18, 2003 · And it will start. I've attempted to attach apic of my timing gears. The “R” mark is rear cylinder 30° before TDC. Location: Milton Ont Canada. 020 so I installed the distributor with the timing mark on the top of the distributor shaft pointing toward the nylon point bumper. How did it run (did it?) before you set the timing? Good seal at the intake and exhaust Apr 7, 2008 · Finally, in setting up the timing on this engine, do I start with lining up the flywheel mark at the rear of the timing hole and then work on the gears' alignment? Right now, when the flywhell mark is at the rear of the hole, the timing marks on the timing gears are all over the place. We make our flywheels for these years to use the 1982-later 23909-80 shaft. Bikes: 1934 Harley VLD, 1955 Panhead FL. It was to allow a timing setting at a retarded position with the new distributor. Nov 27, 2018 · 61 to 64 flywheels have timing marks for front (marked F) and rear (marked R) for dual point systems. It is very hard to shear a pinion gear key. Feb 8, 2011 · It is an auto advance (with internal weights). 2- Use test plugs or jumper wires to ground the spark plug wires. Now you can go over to the right side of the motor and work with the timer. This key aligns the oil feed passage in the pinion shaft with the transfer hole in the right flywheel, which supplies oil pressure to the crank-pin. Apr 11, 2019 · Info = std cases , s and s E carb, solid lifters ,aftermarket flywheel, sifting 412 cam. Things that seem “odd” to me are as follows: 1. by 59DUO » Wed May 07, 2008 10:15 pm. looking for clarification on the flywheel timing marks, that I should be using to set the timing to. The next mark on the flywheel should be about 35 degrees rotation away. * Please Note * Flywheels for 1937-1948 Big Twin Flathead and 1936-1952 61" OHV are made with the 1941-later 74"OHV crankpin, NOT the stepped crankpin as original. Unless there just isn't enough fuel/air drawn into the cylinder yet at 15-40* ATDC to hurt anything. When I static timed it to the timing mark on the flywheel it was kicking back hard. there is a single line mark, following by a double line mark and then a dot. Apr 28, 2010 · Re: 57 panhead flywheel timimg marks. The left flywheel got a rear cylinder timing mark midyear, and pushrods were designed with a longer main body and shorter pressed in bottom section. The circuit breaker is not manual or automatic (to the best of my knowledge). The next 2 marks are right next to each other. Apr 28, 2010 · I have a 57 panhead and am trying to determine which flywheel marks are what. Set the circuit breaker unit to fully advanced. The Independent Classic Harley Board. Are you sure you are on compression on the front cylinder? Intake pushrod just closing? It sounds like you are 180 out or have a massive air leak. Place the flywheel mark just past the right edge of the timing hole, but where you can see a complete gap (between the trailing edge of the flywheel slash and the right edge of the timing hole). It is a retarded timing mark and is 5degrees before TDC. Thread TIMING MARK VIEW PLUG (Part No. Apr 15, 2020 · 2) get the timing mark on the flywheel in the timing hole. 557s Best 1/4 MPH 108. I have 3 marks on the flywheel when the front cyl is at/near TDC. Flywheel has no slash marks, only 2 small dots and 1 large dot. See Figure 0. Check for proper RPM and ignition timing as follows: 1. I start with flywheel timing mark just inside the right side of the This is NOT the timing mark, it is (obviously) TDC. That is why it isn't discussed together in the manual. The “F” mark stands for front cylinder 30° before top dead center (TDC). 95 View Details Mar 2, 2005 · Dedicated to the Harley-Davidson Panhead, Flathead, Knucklehead and Shovelhead Beats using the flywheel marks with a glass eye. If you don't have an open primary you can put the bike in 4th gear and spin the wheel backwards. Similar with a car when using a timing light to check timing, it is done the Mar 30, 2010 · SETTING STATIC TIMING 1- You will need to remove the timing plug from the crankcase. Have the flywheel mark in "correct" position. John mentioned the "FLH" setting which is done by doing the static timing with the mark just barely entering the right side of the inspection hole instead of centering it. Install pointscam so the small lobe points towards the fiber lip that opens the pointsmake sure the body is fully advanced. I used to be able to time it in minutes. The double mark on the flywheels appeared with the advent of automatic advance distributors in '65. My electronic ignition module static timing called for TDC (vertical line). Jun 22, 2005 · I am static timing my 49 manual advance Pan. Loosen the circuit breaker lock nut and rotate the base fully clockwise. Aug 19, 2024 · Remove caseplug and kick untill stripe/ mark on flywheel sits in the middle of the hole. The “TF” mark is TDC front cylinder. Take the timing plug out. Nov 15, 2011 · Hello, can a flywheel assembly with casting #'s of 150-372 and 150-374 be used in a stock 52 pan, ive researched and i cant figure out if these are flathead flywheels or pan,,, i believe they will work but im not 100% sure, thanks Looked for the timing mark and it was barely at the edge of the timing window. Have timing slash mark (on timer shaft) centerlining' the fiber rider on the points. More so if the timing is already set a little on the advance side. I don't know what kind of marks the S&S flywheel has. Sounds good right? Gap is at . Be sure view plug does not touch flywheel. Both fire at same time, one on compression the other is on the exhaust stroke. Leave the flywheel in this position. Dec 26, 2015 · Set static timing using the advanced mark on the flywheel, and hold the ignition rotor in the advanced position (counterclockwise). RUBONE Moderator Senior Member Posts: 8705 Joined: Sat Nov 15, 2008 4:09 am Bikes: Multiple H-D, Ducati, BMW, Triumph, BSA, Has thanked: 141 times Been thanked: 780 times Jun 16, 2022 · Basically I’m timing my 1949 FL with manual advance distributor by the book, step by step exactly as it says and every time I get it done and go to check it by rotating the engine one full turn, as in the book, I check in the timing window and the flywheel mark has moved. I drew pictures of the marks for reference. Crappy running like you describe could come from a number of things, or a combination of them. Old Guy. 3)narrow lobe on points cam JUST ABOUT TO OPEN points at FULL ADVANCE, 3) tighten it down & ride it aint rocket science, it's 100+ year old technology This shaft was very large taper, set at 8 degrees, and had a lot of problems with slippage in the flywheel. I replaced that with an oem advance timer. . hold the weights in the retarded position. Jan 30, 2005 · The Panhead & Flathead Site. Dec 9, 2015 · Timing marks, distributor-timer, log book. RUBONE Moderator Senior Member Posts: 8639 Joined: Sat Nov 15, 2008 4:09 am Bikes: Multiple H-D, Ducati, BMW, Triumph, BSA, Has thanked: 137 times Been thanked: 770 times Oct 9, 2016 · If you use the front advance mark on the flywheel you have to use the small lobe to set timing (with timer fully advanced). Lamp will go "out". The other is a DOT. S&S Sportster® model flywheelshave timing marks on Nov 17, 2008 · If you put the mark where it is just entering the window on the right side, that would advance your timing ~3* more then with the mark in the center. Joined: Tue Nov 27, 2018 9:53 pm. There is no "R" on my flywheel. Just as you retard the timer the lamp should light. Timing is usually described in terms of degrees of crankshaft/flywheel rotation though, since you look at the flywheel to measure the timing. If not, adjust the timer plate by loosening the nut on the control wire stud and moving the stud a little. Start bike & have somebody lean it to the right--this will not let This really strikes me as a timing or an electrical issue. And if you have a manual circuit breaker the manual says that it should be fully advanced and flywheel marks should be the same has I discribed on the right side looking at it. How it works ought to be clearer to you by the time you finish this. Junior Member. Then I moved the flywheel to the 35° point on the degree wheel (full advance). contact points should just begin to open the test light off. I timed it so the test light comes on at the F mark when the timer cam is held in the advance position. The timing mark on the flywheel is a full advance mark. Used to run great, a one kicker. 59 Jun 22, 2005 · I am static timing my 49 manual advance Pan. It is fixed, with no outside timing marks. Then connect the negative battery Feb 25, 2010 · I think on your '97 EVO, the two (2) "dots" are the 20* advance mark. But any and all of the timing marks can only be put on the flywheel in its 360 degree circumference. You want the timing advance mark. Apr 27, 2008 · timing marks 65 panhead electra. See Figure 1. Look for the mark shown in the picture below. May 5, 2019 · place a straw into the sparkplug hole while turning the engine counterclockwise from the left side - what ever shows up in the hole before the piston gets to the top is the advance mark - to confirm your on the front cylinder correct timing - a foot long 3/8 hose can be placed against the front plug hole blowing into it you should feel Sep 17, 2017 · No early panhead has an F or an R on the flywheel. Mar 1, 2012 · I'm familiar with timing procedures and what the manuals say, which got me wondering whether the timing marks on knuckle, pan, and flatties are in the same location on the flywheels relative to degrees. Ignition to be electronic so won't be using strobe very often, perhaps check once a year. Then view through the timing hole while continuing to rotate slowly. TURN THE IGNITION "ON". Points are set to . Not sure where you are getting that. One clue for me is that the engine ran better if the timing was retarded a fair amount (using the left hand control). Another emblem: 4 point star with "Harley-Davidson" stamped bar. by RUBONE » Tue May 25, 2010 2:38 am. Has a junky aftermarket auto-advance timer unit. So just modify the steps I indicated above looking for the advance timing marks rather than TDC. Piston down, up, down, up; suck, squeeze, bang, blow. They were perhaps a degree out compared to factory pictures. the bike has been converted to a 12 volt system with a Mallory 556 Unilite Ignition. Make sure the stud with the control cable stays in the fully advanced position. With the gear case cover off I aligned the gear timing marks before removing the pump and I noticed that the flywheel timing mark is not anywhere near the timing hole. pull you plugs and pull the front intake push rod tube, set your points, make sure they are gapped right Then turn the engine over slowly until you see the front intake push rod close, then look into the timing hole and continue to turn the engine over (Slowly) until you see the Under this hex is the cam that operates, or opens and closes, the points. Harley-Davidson engine. I got the timing mark in the exact position in the timing hole as shown in the sketch in the manual, set the point gap and then backed off the timer from full advance. Not the Mallory of course. put points cover on, static time to approx 15deg Before TDC ( Not sure if it is 15deg. Dec 1, 2016 · My bike only has the one mark on the flywheel so I set it where it is just appearing in the timing hole turning it in the correct rotation. No need S&S ® 4-1/8" Stroke Flywheel Assembly W/O Sprocket Shaft Bearing Race For 1999-'06 Non-Balanced HD ® Big Twins (Except 2006 Dyna Models) $1,713. The flywheel has an R, F, T:F marks As you may remember I had an old electronic iggy. They are different from the stock flywheel marks. I checked my timing marks on the bikes' flywheel. One is a vertical slot [mark] this is the advance timing mark. Also, they both will be in that position two times in any power cycle. Set the flywheel timing mark in the center of the inspection hole, making sure the front cylinder is on its compression stroke. The first mark to come up is the front cylinder advance mark and the next one will be the TDC front mark. At least about the Timing marks. Posts: 3. I must be missing something, that's why I asked the question. I apologize if you know this already. Unscrew and lift the front intake valvecover to check if valve is closed (aka compression stroke). Then take a scribe to the mark & don't scratch ,just make-sure no oil is in it. Yes, it will and it sometimes does. If the mark is just inside the window on the left side, that would be the equivalent of retarding your timing ~3*. Nov 1, 2005 · Chopper If you have an old clearance light or tail light bulb With the wires attached. One is TDC when the small cam lobe of the distributor is opening the points and about 90 degrees as the flywheel turns are two parallel marks. So what I did was remove the points plate. Bump the motor over very slowly (incremently) until the slash mark in the flywheel appears. 4. Although different pinion shafts are used in 1912-* Harley-Davidson V-twin engines (45, VL, UL, knucklehead, panhead and shovelhead), they all use the same pinion shaft key (23985-12). Check ignition timing: At every 5000 mile (8000 km) service interval. HD 96295-65D) into timing inspection hole. Jan 18, 2016 · The timing mark on the flywheel set at 35* BTDC is where the static timing is set to. The Mar 11, 2002 · (The advance mark on a Knuckle motor is placed closer to the right hole edge than on a Pan). Remove the spark plugs and rotate the motor until you bring the front piston to TDC on the compression stroke. You have to use the timing mark to set your timing. Your instructions for static timing call for this in the timing hole. Aug 31, 2019 · The intake valve will have been open for ~15-40* depending on timing advance. 1a. 2. It should line up with the points follower when your timing mark is visible in the timing hole. lfzj hbhhh prtcef csyt xwe xmmeys oqzuhev hzygvxkn hasw bpciigo
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