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  1. #1
    CB750 New Member 750FSS's Avatar
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    Apr 2020
    Location
    Colorado
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    2

    Hello from Colorado, new member here!

    Hi everyone, just picked up a little project bike last night. '79 CB750F. tons of spare parts, spare motor, etc. Hasn't been ridden in years and I'm still a little unsure of the motor's status, but it was free, so....teardown and evaluation begins this weekend. Glad to meet everyone! Photos to come soon.

  2. #2
    CB750 Guru amc49's Avatar
    Join Date
    Sep 2015
    Location
    Fort Worth TX.
    Posts
    2,896
    Get/use an OEM airbox, they run better than with filters like that.

    Compression test to see how bad the valves are, nobody ever sets them and why the engines are not running when you get them. Most have the carbs off too since they think the running issues are them. They CAN be though, the carb design has made grown men cry. Most clean them 3 times before they run right.

  3. #3
    CB750 New Member 750FSS's Avatar
    Join Date
    Apr 2020
    Location
    Colorado
    Posts
    2
    Nice, thanks for the input. I do believe there's a stock airbox in one of the boxes. I'm also at 9000 feet above sea level here, so I figured the open filters were someone's attempt at getting more oxygen into the motor. Everything carbureted runs like a pig up here. Good to know about the valves, apparently the last owner broke the cam chain which is why the spare motor(which I'm told runs great) was part of the deal.

    Sent from my SM-A505U using Tapatalk

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