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Author Topic: 1971 Honda 175cc Cafe Build  (Read 24000 times)

Offline Super T.I.B

  • Posts: 8
Re: 1971 Honda 175cc Cafe Build
« Reply #10 on: Apr 17, 2012, 22:04:12 »
Bookmark.

I am currently underway on my build on a 71 CB175. I thought mine was pretty crappy until I saw yours.  ;D

Will start a new thread when I have something meaningful to post.  ???

Here's a pic just before I started tearing it apart:



Good luck with your build.  ;)

Offline dcbryan

  • Posts: 25
Re: 1971 Honda 175cc Cafe Build
« Reply #11 on: Apr 20, 2012, 13:42:27 »
Thanks for the support guys, glad to know there's more 175er's out there.

Latest update:
I got the seat back from the upholster, take a look:




Also started on reassembling one of the motors. I had the cylinders honed, and got new rings (+.75). I filed the correct end gaps, put the rings on the pistons, put the pistons on the cranks.  Then, while trying to slide the pistons into the cylinders, which according to the book has generous lead-in and does not require a ring compressor, I broke one of the new rings, FFfffuaaaakkk.




Back to ebay to order more over priced, 30 year old, rings and wait another week to get this $&^#*@&() engine back together.

One other question, how many of you guys reuse the old wristpin circlips?  My book says never do it. I've never seen anywhere selling replacement circlips though.

Please heap criticisms upon me.
« Last Edit: Apr 20, 2012, 13:48:37 by dcbryan »

Offline dcbryan

  • Posts: 25
Re: 1971 Honda 175cc Cafe Build
« Reply #12 on: Apr 20, 2012, 13:43:48 »
The tank is a CL160 or CL175 sloper.  BTW the clipons are upside down.

Everyone should have at least one cb160/175/200 in their lives.

Well thanks man. You sound like an expert, in everything. Can you tell me if this gas cap will fit that tank I have?

http://www.amazon.com/Honda-CB160-CL350-CB350-CB450/dp/B007SHO518/ref=sr_1_fkmr1_2?ie=UTF8&qid=1334939957&sr=8-2-fkmr1

Offline andycafe

  • Posts: 1173
  • Northern Suburbs, Melbourne Victoria, Australia
Re: 1971 Honda 175cc Cafe Build
« Reply #13 on: Apr 21, 2012, 06:08:28 »
Yip I'm on board, great looking build looking forward to the updates.

Offline Big Rich

  • DTT SUPPORTER
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  • Posts: 9970
  • Heaven is so far away.
Re: 1971 Honda 175cc Cafe Build
« Reply #14 on: Apr 21, 2012, 06:20:56 »
Well thanks man. You sound like an expert, in everything. Can you tell me if this gas cap will fit that tank I have?

I'm no Teazer, but that cap is listed for a K0 CL175 - and the 1968 tank you have is from the first year for the CL175's. So yes, it "should" work.

Offline meerkatt

  • Posts: 9
Re: 1971 Honda 175cc Cafe Build
« Reply #15 on: Apr 21, 2012, 06:29:11 »
wristpin circlips = REPLACE ... seen re-use go real bad real quick ... cost of new circlips is a lot less than new barrel/piston/rings/whatever else goes sgfdgfnmbg
save money elsewhere

Offline teazer

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  • Posts: 8615
Re: 1971 Honda 175cc Cafe Build
« Reply #16 on: Apr 21, 2012, 21:32:39 »
Thanks Rich.  Circlips are a use once and throw away job.  get a pack from your local Honda dealer.

Offline cafecustom720

  • Posts: 109
Re: 1971 Honda 175cc Cafe Build
« Reply #17 on: Apr 23, 2012, 23:04:53 »
I'm signed up

Offline SeekingZero

  • Posts: 419
    • Seeking Zero
Re: 1971 Honda 175cc Cafe Build
« Reply #18 on: Apr 24, 2012, 02:29:51 »
Ah, glad I found this thread.  Very glad I'm not the only one building up this bike.  Thanks for the answer to the circlip use!  ;D

Keep up the good work.  I'm ready to just get mine back together, so I am reusing the rings with a quick dingleberry hone to cross hatch the cylinders before my engine goes back together.  Maybe I take it out later and do a proper rebuild.

Nice seat too!
"The less horsepower a motorcycle has, the more it can teach you. -Ben Bostrom

06 Ducati 999
66 Ducati 250
88 Honda Hawk
12 Honda CRF250R
03 Suzuki DR650

CB175
Ducati 250
SeekingZero.com

Offline dcbryan

  • Posts: 25
Re: 1971 Honda 175cc Cafe Build
« Reply #19 on: Apr 24, 2012, 15:10:51 »
I got some circlips ordered, 65 cents each. Also a new set of rings are on their way.  This time when installing the pistons in the cylinders, I'm gonna unclip from the connecting rods, slide each piston in one at a time into the block while it's upside down on the bench then reattach the pistons and block in piece. Should reduce my chances of breaking a ring, I'd hope.

I'm heading out to buy a smaller battery today. I need to fab up a battery/electronics tray that will be under the seat hump. No electric start on this bike, I'm guessing something like 4ah battery should be plenty?  That's what I run on my xs650 and it does the job.

Ah, glad I found this thread.  Very glad I'm not the only one building up this bike.  Thanks for the answer to the circlip use!  ;D

Keep up the good work.  I'm ready to just get mine back together, so I am reusing the rings with a quick dingleberry hone to cross hatch the cylinders before my engine goes back together.  Maybe I take it out later and do a proper rebuild.

Nice seat too!

Yeah, my cylinders needed honing out too. Got any pictures of your build?