Another Tri-spark Complaint

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Beach said:
Installed Tri-spark 5 years ago in 1974 Commando. First one failed about 2 years after installation. Sent to Australia to be be checked, and was found to have a bad trigger circuit. It was replaced under warrantee and bought extra stator for $150. Installed this and was fine for bit over 2 years and went out again. When it gets hot the bike would quit and not start until it cooled off or the extra stator was installed. Tri-spark wants me to buy an updated stator for another $150. I am going to cut my losses and throw these 2 stators in the garbage to never fail again. It never ceases to amaze me how people can continue selling a flawed product.

Now I feel better.
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When I bought my MKIII, 30 years ago, it had a Boyer on it that of course wrecked the sprag in the starter clutch. The prior owner had the OE AAU that was in new condition but had lost point plate. Fortunately the point plate assy was still available. I tossed the Boyer unit and went back to the OE stuff. It starts with the starter and other than checking The timing once in awhile and putting a drop of oil on the AAU no farther maintenance has been required.
 
I too think the claim that a thick points cover gasket somehow reduces undercover temperatures is dubious. That said, I bought one anyway. I also drilled a second small breather hole in my cover . . . . My Tri-Spark dates to 2007 or 2008; no problems except for a broken wire - at solder joint. Re-soldered it, beside the road, with a match. That piece of wire stabilizing foam is important.
 
"That piece of wire stabilizing foam is important."

True but I wonder why that foam is necessary with electronic ignitions whereas the OEM ignition has the wires "out in the wind" routed around the spinning points cam and attaching to the points via a soldered terminal yet I never heard of one breaking...
 
xbacksideslider said:
I too think the claim that a thick points cover gasket somehow reduces undercover temperatures is dubious. That said, I bought one anyway. I also drilled a second small breather hole in my cover . . . . My Tri-Spark dates to 2007 or 2008; no problems except for a broken wire - at solder joint. Re-soldered it, beside the road, with a match. That piece of wire stabilizing foam is important.
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What is this piece of wire stabilizing foam you're talking about?
 
xbacksideslider said:
I too think the claim that a thick points cover gasket somehow reduces undercover temperatures is dubious. That said, I bought one anyway. I also drilled a second small breather hole in my cover . . . . My Tri-Spark dates to 2007 or 2008; no problems except for a broken wire - at solder joint. Re-soldered it, beside the road, with a match. That piece of wire stabilizing foam is important.
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I was at Lake of the Pines with Jim Comstock and his brother (sorry I don't remember his name). We went for out for dinner and Jim's brothers Norton wouldn't start after a quick stop for beer. Right off the bat Jim said the Tri-Spark was bad. He had a spare and did a quick trip back to the campground to get it, took but a few minutes and the new one was installed and off we went. Jim's brother said he normally runs without the points cover but had put it on for the trip incase of rain. Like I have said in previous posts, I think that the ones I have had (3) died due to heat related issues. I replaced it with a Pazon and haven't had an issue in over 10 years.
John in Texas
 
MexicoMike said:
True but I wonder why that foam is necessary with electronic ignitions whereas the OEM ignition has the wires "out in the wind" routed around the spinning points cam and attaching to the points via a soldered terminal yet I never heard of one breaking...
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Because they didn’t have bullet connectors in there. They cause more vibration and weaken the wire.

That’s what I always assumed anyway.

In fact, I always thought Tri Spark would be better with screw in terminals for that reason. And to make removal of the timing cover easier!
 
Fast Eddie said:
Because they didn’t have bullet connectors in there. They cause more vibration and weaken the wire.

That’s what I always assumed anyway.

In fact, I always thought Tri Spark would be better with screw in terminals for that reason. And to make removal of the timing cover easier!
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That is why I like the Pazon set up, it has screw retainers for the wires on the pick up plate.
John in Texas
 
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