General > Humour
Haynes Manual 'Translations'
Otis:
--- Quote from: BigAl (Alan) on December 01, 2025, 06:37:24 PM ---I have quite a few...some of the wiring diagrams are very interesting...?
--- End quote ---
So keep the total going, how many?
BigAl (Alan):
18+...still learning.
Bryanj:
Keep the manual dry and its uusefull for ligjtimg the BBQ!
Laverda Dave:
;D.
From bitter experience here's the Haynes explanation of how to remove the driven dowle pins in rocker shafts in a CB250RSA cam cover:
'Use thin long nose pliers to extract the pin. Alternatively, grind a slot into the top of the pin and use a screwdriver to turn the pin until it loosens'
Actual - Long nose pliers don't look at it even with lots of heat, grinding a slot in the top and using a screwdriver results in the pin snapping flush with the casting resulting in a very expensive trip to an engineer with a spark eroder to remove it.
AshimotoK0:
--- Quote from: Laverda Dave on December 01, 2025, 09:15:27 PM --- ;D.
From bitter experience here's the Haynes explanation of how to remove the driven dowle pins in rocker shafts in a CB250RSA cam cover:
'Use thin long nose pliers to extract the pin. Alternatively, grind a slot into the top of the pin and use a screwdriver to turn the pin until it loosens'
Actual - Long nose pliers don't look at it even with lots of heat, grinding a slot in the top and using a screwdriver results in the pin snapping flush with the casting resulting in a very expensive trip to an engineer with a spark eroder to remove it.
--- End quote ---
I read an interesting method of getting ONE of the pins out Dave.. you drill a hole through the cover facing the pin and knock it out with a drift though the hole than weld it up again . A bit drastic I know but those things are absolute b*stards to remove. Also on the valve seats the guy TIG welded a bar across the seat and put a bar through the guide and heated the head and tapped it out.
I think some of the early Haynes manuals were OK ... built my 1st 400/4 engine in '85 using one..... OK ... glaring mistakes sometimes but the problem with the Honda ones is they brought them out based early examples (sometimes having photo's of engines that were still in the pre-prod stage and never seem to update them much). They too have serious errors..as we all know.
In the Haynes manual for the CB250K they identified a problem with engine burning oil badly due to a cracked and broken baffle plate. Seen quite a few low mileage engines with that fault and NEVER seen it identified in any Honda manual or Service bulletin. Honda in there wisdom mounted that plate with crosshead screws on two opposite corners and staked over parts of the crankcase pillar part of the casting on the other two corners. Hence it was never available as a separate part ... you had to buy a crankcase bottom with it pre-fitted.
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