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Author Topic: 1976 CB550F "Barn Find"  (Read 21466 times)

Offline MiniatureNinja

  • Posts: 479
Re: 1976 CB550F "Barn Find"
« Reply #80 on: Mar 10, 2018, 15:43:15 »
what master are you looking for? I have one off my cb360 (same as factory 550) if you need it? has GP levers on it, I even have a clutch perch and GP lever for that too
'75 Honda CB360 - thread

Offline snmavridis

  • Posts: 407
  • Gettin my life together. One bolt. At a time.
Re: 1976 CB550F "Barn Find"
« Reply #81 on: Mar 10, 2018, 18:21:31 »
what master are you looking for? I have one off my cb360 (same as factory 550) if you need it? has GP levers on it, I even have a clutch perch and GP lever for that too
A 14mm for 7/8 bars, is it in good condition?

Offline MiniatureNinja

  • Posts: 479
Re: 1976 CB550F "Barn Find"
« Reply #82 on: Mar 10, 2018, 18:28:50 »
A 14mm for 7/8 bars, is it in good condition?

it's in great condition (cap is that faded purpleish anodized black color) but I am not using it due to doing a remote master cylinder setup on my bike
'75 Honda CB360 - thread

Offline snmavridis

  • Posts: 407
  • Gettin my life together. One bolt. At a time.
Re: 1976 CB550F "Barn Find"
« Reply #83 on: Mar 11, 2018, 13:48:32 »
it's in great condition (cap is that faded purpleish anodized black color) but I am not using it due to doing a remote master cylinder setup on my bike
Pm me some pics!

Offline snmavridis

  • Posts: 407
  • Gettin my life together. One bolt. At a time.
Re: 1976 CB550F "Barn Find"
« Reply #84 on: Mar 12, 2018, 00:40:29 »
Weekend update: bought an AGM Duracell battery (sick of dealing with flooded batteries), changed the oil, dropped some oil in the spark plugs holes, tested compression off the kick start just to see where we're at, mounted my wiring harness, plugged her in, pushed the starter button and got her to chooch! Not ready to do the full startup yet, I think I crossed some wires as my coils continue to get juice even when I switch the kill switch to 'off'!

As for compression: I tested it with no fuel in the carbs, throttle closed (don't have the throttle cables hooked up and didn't think to open the slides), pods on, kicked 5 times over with the kick starter. Attached are my readings. ~120psi on each cylinder. Probably going to retest with WOT and the push button start next weekend.

All in all, I think she'll be running by the end of the month. The weather is getting nice, and my friends are all riding without me. I got the bug, guys.

Offline Maritime

  • DTT SUPPORTER
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  • Posts: 9382
Re: 1976 CB550F "Barn Find"
« Reply #85 on: Mar 12, 2018, 09:12:28 »
That 120 with closed throttle is pretty good. there seems to be less than 5 psi difference between highest and lowest so that's good too. Should be at around 150 with the throttles open cold, so will be higher again on a warm engine.
The GL Rebirth: http://www.dotheton.com/forum/index.php?topic=68337.0
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Offline snmavridis

  • Posts: 407
  • Gettin my life together. One bolt. At a time.
Re: 1976 CB550F "Barn Find"
« Reply #86 on: Mar 12, 2018, 12:50:08 »
Awesome! I tell ya, that 1970s Japanese engineering is impeccable.

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Offline MotorbikeBruno

  • DTT SUPPORTER
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  • Posts: 2563
    • Carb cleaning in MN
Re: 1976 CB550F "Barn Find"
« Reply #87 on: Mar 12, 2018, 21:49:50 »
That 120 with closed throttle is pretty good. there seems to be less than 5 psi difference between highest and lowest so that's good too. Should be at around 150 with the throttles open cold, so will be higher again on a warm engine.

What Maritime said ^^^  also, I've seen these engines run relatively fine even at 100psi somehow....not ideal, but it did run :)  You are so close! Keep at it!!

Offline snmavridis

  • Posts: 407
  • Gettin my life together. One bolt. At a time.
Re: 1976 CB550F "Barn Find"
« Reply #88 on: Mar 14, 2018, 17:27:03 »
So I bought a fender eliminator from DTT user zookmoto and I'm damn glad I did. This thing is awesome. Really complements the bike!!! If you're thinking about buying one, just pull the trigger. Worth it.

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Offline snmavridis

  • Posts: 407
  • Gettin my life together. One bolt. At a time.
Re: 1976 CB550F "Barn Find"
« Reply #89 on: Mar 17, 2018, 15:22:27 »
Fuck. Tappet cover snapped. Fuck. Do I need to get a new tappet cover before I start this up? Or can it be started without a tappet cover? Also, do I need to check for debris now?

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