What did you do to your Yamaha today?

Tested the ignition coils secondary resistance and got no readings, but primary were in spec. Still getting spark but am confused if they need replaced.

going to do some research tonight!

 

Thanks, I’m over the moon, such a good find! I’ve had a look through Yambits, looks like they’ve got some decent stuff! Back shocks are chrome replacements.. I picked up a set of Marzocchi shocks today with my other freebies!

That’s an interesting contraption, as long as it works!

 

You clamp it in the vice, put your shock in, pull the lever and take the top collar out - 30 seconds. It's adjustable and self locking, can't go wrong.

 

Got the frame back from blasting and powder coat today. Looked good. I was a little worried about some rust on the lower crossbar but it came out nice. Now I need to get busy doing the other work to get it back together and functional again.

 

I had the same thing on one of my coils. When I took it off, it had cracks underneath. Guessing it let moisture into the windings. It ran and had spark too, but really crappy ones. Got another set (used) and the resistance is spec and the spark is much better. I’d suggest at least one coil.

 

Pulled the tank to see what I could find with the horns not working. The ground to the frame by the coils seemed good. The horn was cooperating, in that it was still not working after I'd pulled the tank. Jumpering ground from block to the ground point, or block to the black wire in the loom, made no difference. The horns did start working when I probed the pink wire near the modular plug near the coils. So I pulled the three modular plugs apart, brushed the contacts with a wire brush, tried to clean out the other side contacts with a Dremel bit, and added some dielectric grease. The horn is working again... hopefully that will help the oil sensor too... Guess I'll need to go on another long ride to see for sure.

Also checked the intermittent battery warning. That turned out to be that the sensor had broken, again. Soldered the wire back (it got eaten away right at the top of the sensor a while back), and we'll see if it holds up better this time.

 

If there's just a small break in the secondary winding, I could see it arcing across that break, just like it arcs across the plug gaps. I would definitely replace them, though.

 

I got my bike back from the shop. They got my broken bolts out of the intake manifold!!!

I want to install my new boots, get the carbs on, replace the fuel lines and get it running!!

Any recommendations on replacement bolts for the carb boots? Should I use cap head again?

 

yes, stainless steel with anti-seize, don't over tighten them

 

81-83 HONDA CB750 coils swap right in and have replaceable wires and can still be bought new Cycle Recycle part 2 sells these 40$ each been running these for 3 years with no problems

 

I did a valve check a few days ago. Only 2 out of spec. Took care of those. Also replaced the rear brake shoes and replaced a broken exhaust header stud, replacing all of the hardware and gaskets. Today I replaced the clutch perch and master cylinder to the flat bar versions from XJ4EVER and replaced the tach and speedo cables which very much improved the tightness of both gauges. A little while back I tried my hand at HVLP painting my tank. Looks pretty crummy so one of the next things I might do is take it to a local paint shop and have a nice, simple gloss black sprayed on. Thing is, I don't want the paint to look too nice or else I'll have to take care of the rest.

 

I took my cylinder head to the engineers today (as Chacal advised). They are going to repair the head where the two studs at the front of the cam tunnel secure the head to the cylinders.

 

Replaced my gas cap and removed the old lock cylinder to put in the new cap. Didn’t want an extra key. Everything works like a charm and thanks to XJ4Ever for the great tutorial!

http://www.xj4ever.com/gas cap.pdf

 

you only see the tank and cluster back of headlight when you ride, those are he only places that need to shine

 

I can dig that. Fortunately the cluster looks great. The top of the tank, well...

 

I got a tank cover made for my bike. Bagster manufacture them. Might be an option for you?

 

Looks like they might be tough to find in the US. Do you have a picture of your bike with it on?

 

I need to check tomorrow and if see l can find a photo of it. At the moment the bike is stripped down.

 

Could only find this photograph before it was finished but the cover cost little to make and was made out of an old jacket. Gives you a rough idea what it is like. If your wife has a sewing machine or you know someone perhaps you can get one made. And the seam above the Yamaha badge was the original one which is the same on the other side. Basically the jacket was centred on the tank and that reduced the number of joints required. You can also cut out cardboard templates of the sections of the tank transfer them to the material and work that way.

 

That's interesting. Thanks for the suggestion and finding a picture!