How do I use the Dayco laser alignment tool?
March 13, 2025

How do I use the Dayco laser alignment tool?

Unlike laser tools with attachments, Dayco’s tool has an aluminum body with magnets that secure it into the grooves of the reference pulley (usually the crankshaft pulley), ensuring a stable stage for accurate laser projection. The target component is also magnetic so it easily attaches and aligns with the grooves. Once turned on, the laser will project a line - not just a dot -…
On a timing belt repair, which timing mark is for the camshaft and which is for the crankshaft?
March 13, 2025

On a timing belt repair, which timing mark is for the camshaft and which is for the crankshaft?

Most timing belts will have two double dotted line marks and 4 to 6 solid marks. Double dotted lines are for the crankshaft, and the solid line is for camshaft alignment. Dayco includes detailed instructions with all timing kits so follow the instructions closely as they vary by make and model. Proper timing belt installation is critical to engine performance and long belt life. A…
How do I check for belt wear?
March 13, 2025

How do I check for belt wear?

Belt wear can be difficult to detect because newer belts made with EPDM rubber tend to wear like tire tread, where there is material loss from the rib surface. A new belt will have a traditional “V” profile in the grooves between the ribs. On a worn EPDM belt, however, the groove profile will have the appearance of a “U”. One of the best ways…
I bought a new CVT belt. How do I break it in?
March 7, 2025

I bought a new CVT belt. How do I break it in?

It doesn’t matter if you drive a UTV, ATV or snowmobile,  you’ll need to break your new powersports CVT belt in using two heat cycles. After following proper installation procedures, slowly bring the machine to normal operating temperature without exceeding 3/4 throttle for about 20 minutes. If at all possible, stay on a flat terrain. Let the machine and belt cool down completely – it should take…