Cam Chain And Valve Adjustment On Your Honda CB500K / CB550 / CB750 / CB350F / CB400F

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This video shows how to properly adjust the cam chain tension and valve clearances on the Honda CB350F, CB400F, CB500K, CB550, CB750 family of motorcycle engines. Cam chain and valve adjustment is the first step in the regular engine tune-up process; this adjustment must be performed every 1500 miles (2400 km) along side an oil change and ignition timing. The cam chain should be adjusted prior to the valves to ensure proper camshaft placement. Learning the skills to be able to perform your own 1,500 mile (2,400 km) is crucial if you own any vintage motorcycle and it what makes these vintage Honda motorcycles so reliable.
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26 сен 2024

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Комментарии : 49

@volunteerforever 4 года назад

Thank you for this outstanding series of instructional videos. Your tightly-edited videography blends perfectly with your clear, concise verbal instructions. The result is a tribute to these fine old bikes, and a testament to your skill and talent as a master mechanic.

@tjj6583 3 года назад

Thanks! Great video. Helped me with my project and thanks for not uploading some annoying heavy metal music.

@Common-motor 3 года назад

Glad it helped out!

@dmatley1 2 года назад

Great, underrated video. Watched a few others to try and do the cam chain on my 750 and this was the most detailed by far. Thank you!!

@whatsstefon 3 года назад

These are absolutely great videos. Takes me back to when I was a mechanic and these bikes were cheap used bikes everywhere. Thank you for sharing the skills and knowledge of these 40-50 year old machines that will likely outlast the plastic junk of today that might outperform these old things with a blink of an eye, but will they be around in 50 years like these old things?

@darkshadowsx5949 2 года назад

they will definitely out last the junk plastic motors of today... i still haven't seen a plastic engine on a motorcycle but maybe im looking at the wrong brands.

@hughrobinson6066 3 года назад

Wow really glad I found your videos! Like many have already mentioned thank you so much for your clear concise instructions wonderful sound, lighting and editing. Definitely much appreciated.

@kurtbreitenfeldt2330 Год назад

Another great video with great explanation without any over explanation!

@chrisfitts5564 3 года назад

Awesome videos. Very well done. Clear, consice, to the point. Well lit, good sound and editing.

@edwardhovitz1753 4 года назад

Excellent quality of vid and instruction. Thank you very much.

@luigiranucci7138 Год назад

Complimenti al Docente delle four più bravo del web. Peccato che non è anche in lingua italiana. Bravo bravo bravo.

@davegillette953 4 года назад

Good Morning Brenden! Thanks for all you do!

@cyrilleloreau1603 3 года назад

Just awesome! Thank you so much. Cb550 Four 1978 and I thank you very much.

@chrisfoden4911 2 месяца назад

Thanks for a great how to video

@wilfredprins9718 4 года назад

Nice and clear explanation 😊

@michaelcarney1663 2 года назад

Great video -- The service manual for my '77 CB400F states that the engine should be running at 1200 rpm when you loosen the cam chain lock + adjustment bolt, then you can tighten them (while the engine is still running at 1200 rpm). My '77 CB750F manual says run the engine at 900-1100 rpm when doing this adjustment. Why do you adjust the cam chain tension with the engine off? Thanks!

@reggiechin230 4 года назад

That was great, very educational and informative.

@johnevans59 2 года назад

Thank you sir, clear concise instructions...big thumbs up. Now i know what to do. Cheers.

@jimflammer9370 4 года назад

Another great video, thank you.

@marcvincent1691 4 года назад

Awesome ! Thank you so much.

@danielerossi6371 Год назад

Tanks a lot ! Very helpful.

@GrandFathersCrutch1 Год назад

Such a great channel, thanks a lot!

@jackyyeung7903 3 года назад

Thank you for this video!

@ecirlos4902 3 года назад

Great videos, I wish you could answer questions. 👍

@Common-motor 3 года назад

Send us a message via our website, we have technical support there!

@jamiegreen8065 4 года назад

Hey I have a question. I just finished rebuilding my 1980 cb750k a little over a month ago. I am now seeing some oil coming out of one on the spark plugs after the engine has been running for a while. The smoke from the oil burning on the engine is what brought this to my attention. Could that be from a bad valve cover gasket or bad valve seals. I've already received my new gasket and 16 new seals. But I don't want to dive into the seals if I don't have to. The bike starts and runs great. No exhaust smoke. Any ideas?

@Supernova12034 Год назад

Great video!

@TennisDK-hy7hr 11 дней назад

The intake valve on my cb450 is not loose, and the engine is not running on that side. Whats wrong?

@aaronhazlett 3 года назад

I have an absolute crush on the 550 Four.

@artmonk5907 3 года назад

Good info thanks!

@johnpollock4257 3 года назад

Great video top man

@JonesAndreasen 3 года назад

Thank you!!

@indydave1955 3 года назад

I have a 1979 cb750f and I believe the valves were bent when the timing chain slipped. I am wanting to remove the head without pulling the engine from the frame, to replace valves or do a valve job. Do you know if that is possible? My guess is the head bolts are too long to allow clearance to pull it.

@lordofbasement 9 месяцев назад

my handbook says every 3000 miles, not 1500 (75 500 four)

@peterroda4181 3 года назад

Wow! 1500 mile intervals. You have to be a mechanic to maintain these old bikes.

@Common-motor 3 года назад

No need to start a mechanic but definitely an eagerness to learn! haha

@andreac.1328 4 года назад

hello! great video! can I ask you if when you fix cylinder 4 you also touch cylinder 2 and 3 or if they are never touched? thank you!

@mikepilla6416 9 месяцев назад

looked on ebay cant find a service manuel for the 1983 cb 750 nighthawk anyone know why ?

@MrRod0 3 года назад

Cool cat

@chappledesign 2 года назад

Very nice explanation. Thank you. I thinking of buying a CB350 Four and noticed the kickstarter compression seems a little flabby, as in very little pushback. Is this common or could there be an issue with valve clearance as you describe? It may be a little hard to do a complete compression check on the bike. Hopefully I'll be able to get a compression gauge on it and dribble some oil in the spark plug holes to verify rings or valves. Are these notoriously loose motors? The starter doesn't work and the bike won't start. Carbs are dripping which may contribute to flooding as it sits. Thanks

@richardwarner746 Год назад

Good luck with the 350...did you get it? Yrs ago, I had a Trail 70 that wouldn't start...relative lack of compression. I brought it to JAF Motors in Schenectady...the problem was NO CLEARANCE on the exhaust valve! Gee, when I got it home, it fired right up, and it was a tiger after that! It was probably making another 2 horsepower! It's amazing how a few thousands of an inch can make that kind of a difference! But you have to solve your carb issues too!

@chappledesign Год назад

@@richardwarner746 Ah I did not pick that one up. Kinda wish I did now.

@patrickmurray8304 2 года назад

is it the same 1500miles for the 2 cylinders

@Simplytanner 3 года назад

Great video, thank you. Do you happen to know the proper clearances for a 1979 cb750F. I know the F model valves are bigger, and Possibly a tighter fit? Any advice would great!

@calom4823 Год назад

I need the answer to !

@seanaguayo 2 года назад

Can I blow my engine if I do this wrong?

@stuartgoodwincaptainstuspa5002 Год назад

Is it the same way for a CB500t. Cheers

@Common-motor Год назад

No, the CB500T is a very different bike in the same family as the CB450 and CL450. Check out our playlist for those videos, we have a video on how to do the valve adjustment for the CB500T there.