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1973 iron head sportster transmission

Diagram of transmission and tolerance of specks

Posted by Anonymous on

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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wd4ity
  • 4565 Answers

SOURCE: how to set timming on

To set the timing on our Ironhead, Take the spark plugs out of the engine, get the rear wheel off the ground, and remove the timing plug from the left side cases. Shift the transmission into fourth gear.

Using a plastic drinking straw, (do not use anything else because if whatever you use breaks, you'll have to pull the head to get it out. The drinking straw will not break or damage the piston), inserted into the front cylinder spark plug hole, rotate the rear wheel in the normal running direction until the piston comes up to Top Dead Center. Look in the timing hole and you should see a vertical line in the middle of the hole or there about. If not, rock the rear wheel forwards and backwards a bit until you find it. This is the TDC mark.

Then, start backing the rear wheel up until you see a "dot". This is the "Front Cylinder Advanced Timing Mark". This is what you want to set your timing to. Connect a timing light to the front cylinder.

To check the timing, shift the transmission back into neutral and lower the rear wheel. Install the spark plugs and temporarily install the timing plug. Start the engine and let it warm up just a bit. Then bring the engine to a high idle of 2000-2500 RPM, remove the timing plug, and shine the light into the hole. You should see the dot in the center of the timing hole. Caution: there is a mist of oil that will blow out of the timing hole. Do not let it blow into your eyes. Cover the timing light end with a plastic sandwich bag or something. H-D makes a clear plastic plug but it's not much good. A "Clean & Time" plug works good but you'll have to order one from one of the aftermarket companies.

To change the setting of the timing, remove the cover from the timer cavity on the right side of the engine. Loosen the hold downs on the timing sensor plate and rotate the plate slightly. Rotating it clockwise advances the timing making the timing mark move towards the rear of the timing mark hole. Counterclockwise moves the dot towards the front of the timing hole.

Good Luck
Steve

Posted on Oct 06, 2010

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SOURCE: 1976 harley davidson sportster 1200

Harey Davidson gaurds it's manuals hard and has it's employees find outside sorces of the manuals and crush them. You can get on some of the harly forums and ask around and someone might email you what you need. bike bandit will sell you a manuel and the harley manels persuppose that your a trained harly tech and don't tell you things that you shouls have learned during training. So if you want to fix your own bike ( I think you should ) get an aftermarket book and read the whole thing.

Posted on Dec 14, 2010

wd4ity
  • 4565 Answers

SOURCE: specks for head bolts 1994 xl sportster

There is a particular torquing pattern that you must use to torque the heads on the Evo Sporty. Contact me directly off forum and I'll send you a jpeg picture of the pattern and spec. This site will not allow me to send a file larger than 150Kb. wd4ity@bellsouth.net remind me of what you need.

Ride Safe
Steve

Posted on Jan 27, 2011

wd4ity
  • 4565 Answers

SOURCE: can i use a sub.

Yes, you can use most any petroleum based oil that you want. I'd avoid the use of synthetic oil on that bike as it may cause the clutch to slip. The clutch discs in those early bikes are not very heavy and slip easily. A lot of guys just use straight 30 weight petroleum based engine oil.

Steve

Posted on Sep 08, 2011

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1 Answer

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Specks for head bolts 1994 xl sportster


There is a particular torquing pattern that you must use to torque the heads on the Evo Sporty. Contact me directly off forum and I'll send you a jpeg picture of the pattern and spec. This site will not allow me to send a file larger than 150Kb. wd4ity@bellsouth.net remind me of what you need.

Ride Safe
Steve

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Cylinders and rocker boxs torque specs


Torque values for the cylinders and rocker box on a 1979 XLH 1000 Ironhead Sportster are as follows.

Cylinder base torque - 25-35 foot pounds.
Cylinder head torque - 55 -65 foot pounds
Rocker box torque - 14 -19 foot pounds

If your bike is NOT the bike listed above, repost and tell me the year model of your bike.

Good Luck
Steve

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What is the bolt torque settings for an intake manifold on a 1973 Ford Mustang Mach 1 with a 351C and 2-barrel heads? Also, Where can I find a diagram showing the sequence or pattern for placing the intake...


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The torque sequence is snug all down then just star left rear then right front then right rear then left front and so on

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