A557 datasheet(2/10 Pages) MALLORY

2 / 10 page

www.accel-motorcycle.com

MALLORY IS A DIVISION OF PRESTOLITE PERFORMANCE

10601 MEMPHIS AVE. #12, CLEVELAND, OH 44144

216.688.8300

FAX 216.688.8306

FORM 1627

07/08

Made in U.S.A.

Printed in U.S.A.

Step 7

Install the module in the upper housing using the

two hex standoffs. Install the module so the

standoffs are in the middle of the adjustment

slots. A drop of removable Loctite on the threads

is recommended to prevent the standoffs from

vibrating loose. See Figure 4.

Step 8

Install the top cover using the two button head

screws so that the wire harness will exit the top

cover between the pushrod tubes and the

cylinders. A drop of removable Loctite on the

threads is recommended to prevent the screws

from vibrating loose. See Figure 5.

Step 9

Run the wire harness between the pushrod

tubes and the cylinders and up to the coil. Try to

keep the harness away from the hot cylinder

fins. Connect the wires to the proper places as

indicated in the “Single Fire/Dual Fire Ignition”

instruction sheet.

Step 10

The timing should now be close enough to start

the engine. If not, loosen the distributor clamp

slightly and turn the distributor slightly either

direction until the engine starts.

Step 11

Once the engine has warmed up a few minutes

the timing can be set with a timing light (see

repair manual if necessary). Adjustments to

timing can be made by removing the top cover

and rotating the module or by rotating the entire

distributor. Using a combination of both methods

will usually allow the distributor to be timed

correctly AND be positioned so the distributor

is at an angle that allows the wire harness to run

smoothly between the pushrod tubes and the

cylinders. If not, remove the distributor and

rotate the shaft one gear tooth and reinstall.

FIGURE 4

FIGURE 5

FIGURE 3

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