![]() It is also possible that you can have solid exhaust valve/port action but are lacking a clean and efficient intake system, or even a low ignition voltage. If it's a question of evacuating the exhaust gases prior to fuel injection, either expanding the exhaust valve opening to shorten the exhaust time needed, or retarding the fuel timing slightly so it doesn't attempt to inject prior to valve fulfillment, should improve the situation. On practical if it is at lower degree of open engine demanding more fuel. Also please send us photos of your motorcycles to add to our online Virtual Indian Museum.Is it required to inject the fuel after completion of TDC? If it's so, why?ĮMD engine maintenance manual says for 710 g3b engines the exhaust must open after 107.5 deg ATDC and before 112 degrees before ATDC. Please enjoy this information and let us know in your comments if it is helping with your Indian Restoration. You are finished! Enjoy your properly timed Indian Motor! Rotate the flywheels (motor) until the distributor cam fully opens the breaker points, the set the adjustable point so that there is a maximum clearance of.Move to advanced position and point should just break when the distributor hits full advance. To check – Move distributor to retarded position, as limited by stop and points should now make contact.When rotating the body counterclockwise, and the test light indicates loss of point contact, stop rotating and tighten the final screw in the upper rotating plate. The only loose screw is the long one clamping the upper plate with the cable swivel in it. The circular clamp for the dis the distributor body will have to be tight, and the moveable plate that attaches the cable will have to be in full advance position prior to doing final rotation of the body. Rotate the distributor body counterclockwise till the points break contact. Use a test light on the breaker points to check this opening.Place the distributor in the oil pump in such a position that the narrow lobe is opening the points, NOT ON THE CLOSING SIDE. If the distributor is not installed in the oil pump. ![]() The larger of the two operates the rear cylinder the narrow cam lobe operates for the front cylinder. Note the cam lobes on the distributor breaker cam.When the timing mark appears in the timing plug window, the front piston is coming up on compression stroke.Check final installation to assure the slot is at 12 o’clock to 1:30 o’clock position. Install the gasket and reinstall the pump. Remove the pump very carefully making sure the shaft rotates only what the spiral gear causes.If you need to adjust the slot angle on the oil pump slide it back out until the gears disengage and rotate the shaft a tooth at a time, until you get the desired position. Note which direction you will have to rotate if to have it end up from 12 o’clock to 1:30 o’clock position, when the pump is pressed to final position. As the pump is brought into place, the spiral gear on the rear camshaft will move the slotted shaft of the distributor drive slightly. Do this while the oil pump is still off the engine. In this position the oil pump must be assembled so that the slot of the distributor drive shaft point to 12’oclock position (perpendicular to engine) when viewing from as if the pump where on the cycle. If the oil pump is off the motorcycle, attach the oil pump.(If you see a “+” mark this is top dead center and not the timing mark) Watch for the flywheel timing mark indicated by a “$”, looks like a dollar sign with a single slash, to appear inside the timing plug hole.Then turn the motor over until the timing mark appears in the timing plug hole. Turn the motor over until the front cylinder intake valve opens and closes with the exhaust valve also closed, and both tappets free.Remove the timing plug on the left side of the crankcases.To obtain the compression stroke, raise the front cylinder valve covers. We will do the timing using the compression stroke of the front cylinder. The timing of the motor must be performed on the compression stroke.Have you recently removed your oil pump, and your ready to reassemble everything, but you forgot which way the shafts in the oil pump and distributor need to be, to allow perfect timing of your bike? Don’t fret, let’s discuss the proper procedure for installing the oil pump, and timing the distributor.
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