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New (to me!) '77 CB400F - US model
mattsz:
--- Quote from: taysidedragon on November 27, 2018, 10:12:44 AM ---I just checked mine. 5 x 18mm countersunk head and it does fit the Speedo drive as well.
--- End quote ---
Thanks taysidedragon! Sounds like a couple of mm length makes no difference in this instance...
Are there any threads which focus on mistakes or omissions in the technical information most of us seem to use? I've been reading through earlier posts as I've had time to spare, and I occasionally come across discussions similar to this one, people looking for info about parts or discussing misinformation in the books - for example, typos or outright errors in the Haynes, Clymer or Honda workshop manuals, missing items from parts catalogs (like this screw)... it would be nice if there were a spot a newbie like me could go and make note of these issues...
Nurse Julie:
We have a section for errors
http://www.sohc.co.uk/index.php/topic,13453.msg106009.html#msg106009
Not too much in there but the usual saying is 'don't believe everything you read or see' especially if was translated from Japanese to English fifty years ago !!!
mattsz:
Thanks Julie!
By the way, I finally got the bike into bed for the winter - in my neighbor's garage, which is more like a large walk-out basement with big opening doors. It's unheated, but the bike is far from the doors and no vehicles use the space, so there won't be any standing water from snow melt off a car - like there would be in my tiny garage. I've got the fuel tank, carbs and front brake parts in my own warm basement, hopefully I'll find the time to rehabilitate them over the winter...
mattsz:
I'm starting a shopping list...
Based on the appearance and condition of the front brake reservoir diaphragm (http://www.sohc.co.uk/index.php/topic,17461.msg149647/topicseen.html#msg149647) and the piston/caliper/pads (http://www.sohc.co.uk/index.php/topic,17461.msg149803/topicseen.html#msg149803), should I just assume the master cylinder should be rebuilt (or replaced with a pattern one)? Will I know if I dismantle it and examine the condition of the parts? I don't really want to spend the money if it's not necessary, but it could be full of 40-year-old parts, and it is the brakes, after all...
Same question with the carbs, too, I guess - should I dismantle them and examine the jets, etc, to determine a course of action, or does one usually just "play it safe" and have a complete rebuild kit on hand? How will I know if a good cleaning is enough, or whether I should replace all the replaceable bits?
Laverda Dave:
I tried to repair the original front caliper on my 400/4 but it was beyond help with both the fluid union and the bleed nipple snapped in the housing. I bought a pattern caliper from DSS along with a master cylinder repair kit. The master cylinder was an easy rebuild. The hardest part is removing the internal circlip to enable piston removal. You need to buy a cheap pair of long nose or circlip pliers and maybe grind the ends down to fit. Easy job to do though and you keep the original master cylinder with the correct exterior finish, the pattern ones are painted black.
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