Tag Archives: cb450

DIY: The Lost Art of Gasket Making

Join legendary Honda twin mechanic Pipe Adams as he demonstrates how to construct a crankcase side cover gasket through ordinary means.

While you can see that in the video I am using store bought gasket paper, any similar type of paper will do the trick. A commonly available and excellent source of gasket material is the common cereal or tissue box. Scavenge it at will in a pinch to suit your needs.

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CB500T Metal-bit Reconnaissance Mission Vol. 2

As noted in my previous post, if the CB500T is EVER to be considered as a viable candidate for pre and/or post apocalyptic transport, its original design flaws must be fixed and its appetite for self-destruction quashed!
As such, as any responsible hooligan manboy hybrid would do, I am taking the steps to rectify the aforementioned maladies; and restore the CB to its former glory!

To do this, the first step that one must do is remove the left-side crankcase cover. This will reveal the alternator rotor. It is big and round and magnetic and looks you in the eye. You will need to remove this to get to the starter clutch. To remove the alternator rotor you must first loosen and remove it’s bolt, which holds it fast to the crankshaft. Note that this is a normally threaded bolt and follows the age old paradigm of righty tighty lefty loosey. We must apply counterclockwise pressure here, mind you. To get this bolt out you must either put the bike in gear and stand on the brake so that the engine does not turn…or if this doesn’t work, as it did not for me, apply the two penny trick! Of course, this is a pain in the ass and requires the removal of the right side crankcase cover but thoughtful hooligans truly don’t mind because this entails the double benefit of exposing the oil screen which you may now clean.

Fair enough. Get that right side crankcase cover off and place two stacked pennies between the crank pinion and clutch hub gears to arrest the engine.

The rotor bolt will now be able to loosen without the engine turning.

There is one more step now to remove the rotor.
The alternator rotor must be popped off of the crankshaft. You will either need a special “tool” for this step or a 16mm x 1.5 pitch bolt. Of course, this bolt is unobtanium at most any hardware store on earth.
Fortunately, for owners of 1975 Honda CB200T’s, the CB200T axle will fit into that rotor perfectly.
But, not the CB500T’s axle. It is too big.
Sochiro Honda is an asshole at times, but, we forgive him for making otherwise beautiful and reliable motorbikes.

Now, screw the CB200T axle/special tool into the alternator rotor and turn, clockwise. Keep turning, add some pressure, and the rotor will pop off.
Heed this warning: Go slow.

CB200T axle mmmm

If you are elderly or infirm and desire to keep your electric starter mechanism, you must be careful when removing the alternator rotor, for behind it is the starter clutch with all its various bits and pieces. These will fall and scatter and bounce all over your garage floor should you not take care.

Note: Hooligans and boy adventurers care not for electric started mechanisms and prefer to kick start all machines. As such, the electric starter clutch of the CB500T will be relegated to the dustbin of history.

sheared bolts, ovaled holes: no better than scrap!

As it now stands anyway, it is worth less than scrap.