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NORCAL Prepping for Long Trip - 78 GS1000

  • Thread starter Thread starter Caferob
  • Start date Start date
Everything was working out perfectly then the inner most front bolt snapped. It had never fully gripped the head which I could tell it was going from the start.
Hela-coil time and I haven't done this in a while. I'm getting frustrated with this bike...lol
 
The bolts are not all the same length. The parts book does not do a good job of describing which length goes where. Perhaps you had a 40mm where a 35mm goes, or the other way around. Did it snap, or did it strip? If you stuck a 35mm where a 40 mm belongs, and it stripped, there may well be plenty of good thread below the stripped part. If you put a 40 in where a 35 belongs, you may have bottomed out without even putting any clamping force on the valve cover. I usually replace those with ss allen ones, either from a kit from Z1 enterprizes, an order on line, or onezie twozies from my local hardware store.

The parts book does give you the diameter and the length, if you get to understand the code in the part number.
 
Last edited:
Sorry to hear about the bolt. I mentioned earlier that a couple of the bolts are longer than the others. I believe they're in the "middle area" as you're describing.
 
850 Combat said:
The bolts are not all the same length. The parts book does not do a good job of describing which length goes where. Perhaps you had a 40mm where a 35mm goes, or the other way around. Did it snap, or did it strip? If you stuck a 35mm where a 40 mm belongs, and it stripped, there may well be plenty of good thread below the stripped part. If you put a 40 in where a 35 belongs, you may have bottomed out without even putting any clamping force on the valve cover. I usually replace those with ss allen ones, either from a kit from Z1 enterprizes, an order on line, or onezie twozies from my local hardware store.

The parts book does give you the diameter and the length, if you get to understand the code in the part number.
Click to expand...
All the other bolts torqed down perfectly and that one just kept going. It then slowly snapped and I pulled the bolt out and it had snapped just past where the thread begins on the bolt.
I'll take a look at a hela-coil, ive never personally done it but sat and watched a friend of mine. Im sure thers tons of youtube videos on it so ill be fine. Time to get the V65 going on the side though.
 
So do I helacoil it or re-thread it? I went to the autoparts store yesterday just to look at some solutions.

Any thoughts?
 
To helicoil, you need to drill out the hole, then tap it, then insert the coil into the oversized tapped hole. That means getting a drill motor in there. Is there room? Unless it was cross-threaded, a broken bolt doesn't necessarily mean that the threads in the head are ruined. I would inspect them, and maybe chase them with a tap and with a bottom tap. I really don't know what situation you are dealing with. It also never should have broken at anything close to the specified torque. 7-8 foot pounds isn't much. I'll be travelling all night and most of tomorrow. Give me a call tomorrow afternoon. I'll be in OC tomorrow.

By the way, I'll buy those brakes off of your sister's bike, if they are Weinman. I have a set of DiaCompe on my 1959 Hawthorne 3 speed I would like to change to Weinman. Normally, those only need cleaning and lubrication, not replacement.
 
"y the way, I'll buy those brakes off of your sister's bike, if they are Weinman. I have a set of DiaCompe on my 1959 Hawthorne 3 speed I would like to change to Weinman. Normally, those only need cleaning and lubrication, not replacement."

I don't have spare parts for that old schwin. plus even if I did you dont need to "buy" them Paul, your family.
 
Caferob said:
Ive decided to take the V65 Magna on the Iron Butt and longer trips. The GS1000 just isnt as comfortable. The link below is a video i made on riding the magna for the first time in years.,

https://www.youtube.com/watch?v=Uh8LH9Lr3iU&t=28s
Click to expand...

I subscribed, really good quality for a smaller for a smaller Channel, you don't see that too often. I watched the video where you were blowing fuses on the gs, did you figure out why. And my god the view ropes were heavy in that video haha.
 
Thanks for subscribing! Comment on my videos all you want because I dont see notifications through GSresources.

Fuse Problem: I moved the Dyna ignition power from the turning signal relay to the orange coil power wire.

Camera setup: Gopro 3, mic adapter, and some mounting pieces. you can see my setup in my videos.
60fps at 1080 is all i need for youtube. DVD is another story but my main focus is releasing on youtube.
 
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