How to check clearances on Harley Davidson 1340cc?
To check for clearances measure pistons across thrust faces 900 from the wrist pin hole at the base of piston as illustrated. These clearances are for normal operation and conditions. Improper timing, and abusive operating conditions can cause higher than normal piston temperatures.
How to install a Harley-Davidson 1340cc Shovelhead?
INSTALLATION INSTRUCTIONS FOR HARLEY-DAVIDSON 1340cc SHOVELHEAD ➙ ➙Top View of Piston MINIMUM RING END GAP IS .004″ FOR EVERY INCH OF BORE SIZE. Example: 3.000″ Bore = .012″ Ring End Gap Each cylinder should be deburred on top and generously chamfered on bottom for ease of piston and ring installation. Finish hon e with a 280-400 grit hone.
What do you need to know before installing a camshaft?
Checking this will ensure proper valve train movement and allow the engine to respond the way the camshaft is intended to. Position the lower portion of the timing cover over the oil pan. Make sure oil does not leak from the front of the engine.
How do you remove an old camshaft from a car?
Removing the Old Camshaft Check the user’s manual for your vehicle for specific diagrams. Determine whether or not you need to pull the entire engine. Access the camshaft. Remove the valve covers. Rotate the cam and mark Top Dead Center (TDC). Remove the old cam.
Why do you need a performance camshaft on a Harley Davidson?
Keep in mind that performance camshafts are usually chosen for the basic purpose of producing more power from your engine. The three questions to answer before choosing a new cam for your Harley Davidson® motorcycle are: 1.
Where can I download a Harley Davidson manual?
Harley Davidson service manuals for download, free! Lots of people charge for motorcycle service and workshop manuals online which is a bit cheeky I reckon as they are freely available all over the internet. £5 each online or download your Harley Davidson manual here for free!! Have something to add? Come and say hi on Facebook
How does a longer CaM affect low rpm?
A cam with a longer intake duration will reduce static compression pressure at low speed which in turn will tend to reduce low RPM torque. But with a longer duration cam and a higher compression ratio, power at middle and high speeds will be increased which is what you wanted all along.