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Author Topic: '71 CB100/125 (the un scooter)  (Read 21325 times)

Offline JB77

  • Posts: 231
Re: '71 CB100/125 (the un scooter)
« Reply #50 on: Jul 13, 2015, 20:03:55 »
Looking good man. Can't wait to see how the air filter set up works for you.

Offline 45exmayor

  • Posts: 127
Re: '71 CB100/125 (the un scooter)
« Reply #51 on: Jul 14, 2015, 13:38:53 »
I emailed Matthew at Sparck Moto and he helped me thru the kill button question.  It needs a relay in the circuit.  If any of you need to do this pm me and I will forward the instructions and a link to the relay.
http://www.dotheton.com/forum/index.php?topic=66379.
'71 CB100/125
'02 monster 620 (sold)
'66 Triumph T100SC(sold)

Offline travisvisual

  • Posts: 50
Re: '71 CB100/125 (the un scooter)
« Reply #52 on: Jul 14, 2015, 15:13:51 »

Did you already re jet your carb for the air filter? I really want to do the same but I have read that a lot of people were having issues with pod's on these engines.

Offline 45exmayor

  • Posts: 127
Re: '71 CB100/125 (the un scooter)
« Reply #53 on: Jul 14, 2015, 18:30:53 »
Not yet.  I need my wheels back from the builder so I can roll it out of the basement.  It was a non runner when I bought and the 100 and 125 were both in crates.  I have since found a running 125 from a '76 that is 14hp and has the two piece head with bigger valves and a 24 mm carb as standard.  I lowered the needle clip one notch and will have to sort it out from there.  Extending the inlet tube should minimize some of the problems.
http://www.dotheton.com/forum/index.php?topic=66379.
'71 CB100/125
'02 monster 620 (sold)
'66 Triumph T100SC(sold)

Offline 45exmayor

  • Posts: 127
Re: '71 CB100/125 (the un scooter)
« Reply #54 on: Jul 17, 2015, 19:11:04 »
Got a good start on the wiring today.  Main and light switches wired new fuse block and only have the final runs to the indicators and ignition then I can cut all the runs to length and get it all bundled neatly.
We're really isn't much room between the frame and the fender but it should cut in the box. I mounted the SparckMoto r/r under the electronics box and used I'd grommets between it and the box to dampen vibration.  That location gives it good air flow and keeps,it much cooler.  I did the same mod to my old monster and never had any problems.  Monsters come with the regulator buried under the seat and they are prone to heat failure.
« Last Edit: Jul 17, 2015, 19:17:51 by 45exmayor »
http://www.dotheton.com/forum/index.php?topic=66379.
'71 CB100/125
'02 monster 620 (sold)
'66 Triumph T100SC(sold)

Offline trek97

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Re: '71 CB100/125 (the un scooter)
« Reply #55 on: Jul 18, 2015, 06:30:09 »
Are you telling me that 76 125 is a stock 12v system?

Offline 45exmayor

  • Posts: 127
Re: '71 CB100/125 (the un scooter)
« Reply #56 on: Jul 18, 2015, 07:27:58 »
Trek

Then76 is 6V.  SparckMoto had some 6V  r/r s that were reasonable.  The 7V anti gravity battery however was a big purchase.  With no running bike I can focus all of my obsiveness on this.  At the start I made a decision not to buy a Grom or a scooter so I am enjoying trying things on this that I wouldn't do if I were in a rush to,get it going.
http://www.dotheton.com/forum/index.php?topic=66379.
'71 CB100/125
'02 monster 620 (sold)
'66 Triumph T100SC(sold)

Offline 45exmayor

  • Posts: 127
Re: '71 CB100/125 (the un scooter)
« Reply #57 on: Jul 28, 2015, 19:40:41 »
Finally finished the wiring and everything works as planned with one small exception.  When the indicators are on, both the indicator and the high beam lights in the speedo flash. Started when I connected the high beam indicator. It is really a minor issue but I will take the speedo off and get it sorted.
The relay that Matthew at SparckMoto helped me sort out clicks so the kill button should work.
Finally got the clutch cable measured up and an order off to motion pro.  The 100 cable is too short for the new 125 and the one I got with the 125 is too long.  Unlike the 100 & 122cc 125's which use a stop on the frame the 124cc uses a stop on the motor and pulls toward the front of the bike instead of towards the top.  Also ready to order a cone engineering quite core reverse cone.  The head pipe on the 125 is 1 od so it should work fine.
Refilled the forks with oil and put oil in motor and kicked it thru without the plug about 20 times to prime the pump.
Now I just need the wheels so I can roll it out of the basement fuel it up and hear it run.
« Last Edit: Jul 28, 2015, 19:51:49 by 45exmayor »
http://www.dotheton.com/forum/index.php?topic=66379.
'71 CB100/125
'02 monster 620 (sold)
'66 Triumph T100SC(sold)

Offline trek97

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Re: '71 CB100/125 (the un scooter)
« Reply #58 on: Jul 28, 2015, 20:13:59 »
Super Nice, kinda weird about the flashing high beam light.
You can get those fork springs chromed for $65-$70.   8)
A little spendy but It really is the icing on the cake.


« Last Edit: Aug 06, 2015, 23:59:23 by trek97 »

Offline 45exmayor

  • Posts: 127
Re: '71 CB100/125 (the un scooter)
« Reply #59 on: Jul 28, 2015, 20:29:49 »
Trek,  I'll probably get them chromed next spring when I get the paint done.  I bought this project in July of '14 and am anxious to get it on the road before we leave Wisconsin for the winter in late October.  We have finally begun to finish the lower level of out house,that we did a total gut remodel on 3 years ago.  So I work on that in the morning and fiddle with the bike in the afternoon. 
http://www.dotheton.com/forum/index.php?topic=66379.
'71 CB100/125
'02 monster 620 (sold)
'66 Triumph T100SC(sold)