2019-08-10 Ignition Coils

2019-08-10 Ignition Coils

KrZy8, 2006 Yamaha FJR 1300 with nearly 250k, had developed a stumble off idle. Problem identified as corroded spark plug wire inside cap. Each cap is $50 so $200 for caps? El Toro Poo-Poo! Additionally, over the years have trimmed the wires to maintain good connection so now too short. eBay to rescue. New-to-Me coils, wires, caps from a 17k mile 2006 FJR delivered to to door, $75.

Coil location. They can be removed with front center cowling in place.

Cruise control signal wire (blue).

The hard part is wiring routing. Tight fit. Caps must come off.

Connector locations.

Pulling old wires out was tough, tight fit. No way to install new wires unless loosen radiator mounts and plastic guard from frame.

Hard to see, but this is radiator mount to frame.

Old and New-to-Me. New wires supple and flexible. Old wires hard and brittle.

Turns out one could remove old wires by breaking the plastic retainer keeper then pulling hard on wire.

Just like a spark plug cap.

Clean everything up, use a little 3M 'Right Stuff' and one could re-use existing coils if $$ supply is short.

Continuity! We have ohmages coming out!

Out of order. Shoot me. Wire routing.

Plastic keeper talked about above.

Used a shortened Allen wrench for lower bolt.

Button hed screw to left of connector has to be removed too.

There it is. You are now certified FJR 1300 Coilologist.