• Enter the April CB750 Supply gift certificate giveaway! It's easy... Click here, post something, and you're entered into the drawing!

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    Cylinder Sleeve O-Rings will not come out!!!

    Congrats, thanks for sharing! Just goes to show persistence and a little ingenuity will pay off in the end! Not the first time us DIY-ers have had to "invent" our own specialty tools, ha!
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    CB750 Supply March Giveaway Starts Now! Everybody Needs Some Extra Money for Parts! Get Yours Now! Enter To Be a Winner!

    Alright, I'm feelin' lucky this time! Please enter me into the latest Giveaway - my poor old 750F Super Sport needs some new bling!!
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    CB750 Supply Last Giveaway of the Year for December 2023 – Wow! Free Money for Parts! Enter To Be a Winner Now!!!

    Yes, Sign me up Coach! Please enter me in the giveaway!!
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    CB750 Supply November 2023 Giveaway Starting Now - Free Money for Parts - Should Be Music To Your Ears! Are You the Next Winner?

    Yes, please enter me in the monthly drawing! My poor old 1980 CB-750F Super Sport needs some TLC!!
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    CB750 Supply October giveaway starts now! Whatcha waiting for? Someone always wins! Why not you? Enter to be a winner!!!

    Yep, please sign me up! My poor old 750F Super Sport needs some TLC upgrades.
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    CB750 Supply October giveaway starts now! Whatcha waiting for? Someone always wins! Why not you? Enter to be a winner!!!

    Yep, please sign me up! My poor old 750F Super Sport needs some tender lovin'...
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    CB750 Supply Sept. 2023 Giveaway Starting Now - Need Dough For Parts? - This Is The Place - Enter Now To Win!

    Yep, please count me in on the giveaway! And, THANKS for sponsoring such incentive programs for our poor old classic Hondas!!
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    CB750 Supply August giveaway starting now – Free money for parts – Can’t get much better than that!!!!

    Thanks for the reminder! My trusty 750F Super Sport can always use some new parts!!
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    CB750 SUPPLY JULY GIVEAWAY STARTS NOW - READY...SET...GO... IT'S YOUR TURN- BUT YOU HAVE TO ENTER TO BE A WINNER

    Yes, please count me in - maybe this will be my lucky month!
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    CB750 SUPPLY JUNE 2023 GIVEAWAY STARTS NOW - WE ALWAYS HAVE A WINNER - IT COULD BE YOU!!!

    Yes, pls count me in! My trusty 750F Super Sport needs some love!!
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    CB750 SUPPLY MARCH 2023 GIVEAWAY STARTS NOW - YOU GOTTA ENTER TO BE A WINNER

    Sign me up coach! Please enter me in your March 2023 giveaway - and THANKS for all you do to keep critical parts in stock for our aging steeds!
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    CB750 SUPPLY 1ST GIVEAWAY FOR 2023 - STARTING NOW - ENTER FOR YOUR CHANCE TO WIN FREE MONEY FOR PARTS.....

    Happy New Year! Yes, please count me in for the Jan 2023 Giveaway!
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    OCTOBER 2022 - CB750 SUPPLY GIVEAWAY - STARTING NOW - ENTER FOR YOUR CHANCE TO WIN !!!!!

    Yes! Please count me in for the latest drawing!
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    CB750 Supply May 2022 Giveaway Going On Now - Enter To Win Free Money For Parts

    Thanks, please count me in! My poor old 750F Super Sport is starting to feel neglected after his new bigger brother showed up unexpectedly ('97 Triumph Daytona TRIPLE!)
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    January 2022 - CB750 Supply Giveaway - First drawing for 2022 - Want free parts? Enter Now...

    Sign me up coach - Christmas in January, perhaps???
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    November 2021 - CB750 Supply Giveaway - For your chance to win Free $ for parts!

    Yep, please sign me up! My poor old 750F Super Sport is HUNGRY for some new parts!!
  17. I

    Welcome Back - September 2021 - CB750 Supply Giveaway Going on Now - Enter to Win Free $

    Yee-ha! Time to get out there and put COVID-19 in the rear view mirror!!
  18. I

    Welcome Back - September 2021 - CB750 Supply Giveaway Going on Now - Enter to Win Free $

    Great, glad to see the increased activity & social engagement - let's put COVID behind us!!
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    HELP! 1980 750F suddenly developed weird metallic tapping/knocking noise

    THANKS, good to know! May have to keep an eye out for a decent set of those on eBay - sure would be nice to know all those side orifices are clear too!
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    HELP! 1980 750F suddenly developed weird metallic tapping/knocking noise

    Thanks amc49, excellent recommendations across the board! Pretty sure the plugs were bone dry when I pulled to check (both original and new one I installed afterwards), but may be worth checking again just to be sure. Understand the limitations of cleaning the pressed-in idle jets - will clear...
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    HELP! 1980 750F suddenly developed weird metallic tapping/knocking noise

    Yep, seen some tough carbon deposits in my day, but the cylinder head and piston crowns of this bike were completely decarbonized only a year and a half ago when I had the top end apart, and I've only put a few hundred miles on it since. Seems unlikely given the low time on the engine since...
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    HELP! 1980 750F suddenly developed weird metallic tapping/knocking noise

    Thanks again to amc49 for continued help, as I continue to try and track down the source of this problem... First off, good news about earlier compression test - low readings were operator error, ha! Been awhile since I did a check and forgot accurate readings only achieved with engine hot...
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    HELP! 1980 750F suddenly developed weird metallic tapping/knocking noise

    Well, surprisingly, after reshimming the valves on #4, adjusting both camchain tensioners, & refilling with Rotella T6 15W40 synthetic, I restarted the bike and she actually sounds pretty normal - at least nothing I can detect clearly as a rod knock or anything. However, I'm now getting a...
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    Hard Starting , Popping, Missing Etc / 80 CB750F

    Hmmm, must be getting old... (oh wait, I really AM getting old - 65 this year!), but I'm having similar problems with my '80 750F Supersport and need someone to clarify what mrmach5 means when he says his problem was "ignitors." I see he mentions coils (yep, still know what those are), but...
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    HELP! 1980 750F suddenly developed weird metallic tapping/knocking noise

    OK, dropped oil pan and inspected sump - very minor debris and nothing that looked catastrophic. Pulled plugs and inspected piston heads as best I could - nothing abnormal there either... Finished checking valve clearances - all good except #4 (one intake & exhaust a little loose, 1 exhaust...
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    HELP! 1980 750F suddenly developed weird metallic tapping/knocking noise

    OK guys, got a 1980 Honda 750F Supersport with almost 29,000 miles on it. Recently drove bike down for the annual safety inspection we have here in Texas and noticed LOUD metallic tapping noise developed on return trip. Roundtrip mileage was probably less than 7 miles or so. Tapping was there...
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    June Giveaway - It's YOUR Time To Get Free Money For Parts - Enter Now!

    Hey, count me in 2! Free parts will go a long way to counter-balance the fortune I'm spending trying to track down obsolete NOS parts for my Honda 750 obsession! RKO
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