Option to get bike running right before resto is a good one. I’m about to restore a 1979 CB900f and will do that myself as a precaution. Thanks for all the tips you pass on to viewers.
Enjoying your relaxed and engaging style of presentation. Picking up my barn find '83 1100Fs today, so will be watching and following on with interest. Agree with 0.13 - 0.14 clearance. Thank you for taking the time to create these videos. Removing and replacing shims is best done with three tools. The first tool holds the buckets down, the second tool slips under the shim at the notch in the bucket and is used to lever the edge of the shim up. The third very useful tool is a small magnet on a telescoping shaft used to extract the shim from the top of the bucket. Process is to rotate engine so the cam lobes push the buckets down so the edge of the bucket is just a whisker lower than the top of the bucket in the cylinder head. Then slip the bucket hold down tool in between both buckets so the width of the end of the tool straddles the edges of both buckets, but NOT the shim. GENTLY rotate the engine backwards just a little and the cam lobes will lift off the top of the shim. You don't need to go very far at all, just so there's 2-3 mm of clearance between the cam lobe and the shim. Then use tool no. 2 in the notch in the cam lobe to pry up the edge of shim. Then magnet to extract the shim. Once the new shim is in place, rotate the engine through one complete cycle so the lobe pushes down on the new shim to ensure it is seated correctly, then re-check your measurement. Sounds scary but once you've done one, it will become clear. Enjoy the journey and looking fwd to watching this unfold. Thank you!
Thanks Tony. Have fun with the CB1100F's ! I just got the shim tool in the mail, I have read bout the process in the manual, but you've added some helpful hints here, thanks for taking the time to type this up fo rme !.. My shop manual also says never to use a magnet to pull the shims, any idea why ? are they suggesting the shim can become magnetized and then can pulled out by a rotating Cam ? IDK, I have a telescoping magnet tool , ill use it or a pair of tweezers. Thanks again.
I'll be following your progress on your '82 900F. I'm slowly working on an '81 900F restoration and will need to do some of the same activities you are doing to this unit. Best of luck with your build.
Going to be fun to follow 👍 I have come a long way in 3 weeks with my CB900F. Got some pictures on facebook for CB900f restoration page. It is all black now. Turned out really good! I need to do all the fine tuning and work now that you did before teardown 😅 good luck with the build 😊
Yea, im guessing someone may have adjusted these before (??). IDK. most are very close to the .055 inch clearance now recommended by those that know more than me.
We have a CB750F and CB900F on the project list, so I will be following your series on this one. Please let us know how much was the shim kit and how long it took to get it.
Yes, I will see what I need. I have decided not to buy a shim “kit”, rather just individual shims as they’re crazy expensive. Not sure yet where I can get new ones , have to look into it but I’ll post it in the video once it happens. Thanks for the comment and have fun with your projects.
Option to get bike running right before resto is a good one. I’m about to restore a 1979 CB900f and will do that myself as a precaution. Thanks for all the tips you pass on to viewers.
Your welcome, thanks for watching and commenting !
I’m usually a early sportbike guy but excited to see this one as my brother had one when I was a little kid.
Me too (Earlysport bikes usually), but I decided to branch outa bit when I found this one
These F s are my favorites, I glad your finally restoring her😎
hope you enjoy the vid's
Looking forward to this restoration, as I owned the same colour and model loved that bike,I still have the valve tool and shims from the day.
thanks for watching!
Enjoying your relaxed and engaging style of presentation. Picking up my barn find '83 1100Fs today, so will be watching and following on with interest. Agree with 0.13 - 0.14 clearance. Thank you for taking the time to create these videos. Removing and replacing shims is best done with three tools. The first tool holds the buckets down, the second tool slips under the shim at the notch in the bucket and is used to lever the edge of the shim up. The third very useful tool is a small magnet on a telescoping shaft used to extract the shim from the top of the bucket. Process is to rotate engine so the cam lobes push the buckets down so the edge of the bucket is just a whisker lower than the top of the bucket in the cylinder head. Then slip the bucket hold down tool in between both buckets so the width of the end of the tool straddles the edges of both buckets, but NOT the shim. GENTLY rotate the engine backwards just a little and the cam lobes will lift off the top of the shim. You don't need to go very far at all, just so there's 2-3 mm of clearance between the cam lobe and the shim. Then use tool no. 2 in the notch in the cam lobe to pry up the edge of shim. Then magnet to extract the shim. Once the new shim is in place, rotate the engine through one complete cycle so the lobe pushes down on the new shim to ensure it is seated correctly, then re-check your measurement. Sounds scary but once you've done one, it will become clear. Enjoy the journey and looking fwd to watching this unfold. Thank you!
Thanks Tony. Have fun with the CB1100F's !
I just got the shim tool in the mail, I have read bout the process in the manual, but you've added some helpful hints here, thanks for taking the time to type this up fo rme !.. My shop manual also says never to use a magnet to pull the shims, any idea why ? are they suggesting the shim can become magnetized and then can pulled out by a rotating Cam ? IDK, I have a telescoping magnet tool , ill use it or a pair of tweezers. Thanks again.
I'll be following your progress on your '82 900F. I'm slowly working on an '81 900F restoration and will need to do some of the same activities you are doing to this unit. Best of luck with your build.
Thanks Steve , same to you. we may need to share some learnings
Going to be fun to follow 👍 I have come a long way in 3 weeks with my CB900F. Got some pictures on facebook for CB900f restoration page. It is all black now. Turned out really good! I need to do all the fine tuning and work now that you did before teardown 😅 good luck with the build 😊
Thanks, just started it yesterday, so a long way to go
Nice .I just finished one in Australia. They're called a bold'or here.Some minor differences.
Thanks Warren, feel free to send me some advice as I move through this one . Thanks for watching and commenting.
Loose clearances tend to b the exception with many ujms most tighten
Yea, im guessing someone may have adjusted these before (??). IDK. most are very close to the .055 inch clearance now recommended by those that know more than me.
We have a CB750F and CB900F on the project list, so I will be following your series on this one. Please let us know how much was the shim kit and how long it took to get it.
Yes, I will see what I need. I have decided not to buy a shim “kit”, rather just individual shims as they’re crazy expensive. Not sure yet where I can get new ones , have to look into it but I’ll post it in the video once it happens. Thanks for the comment and have fun with your projects.
I like know about detail order this bike
If ya need parts, let me know....
Thanks for the offer . The restoration is now done (there are 19 videos on the process here). Bike got finished last week and went to a new home.
Can we buy this bike
No sorry someone else now owns it