SOHC.co.uk Forums > CB350/400
Re-liner, Rebore
stevush:
Hi all,
I've made some progress with the 400 project and I've managed to get the head and barrels off. The head had suffered some damage in the past (remains of a broken ring maybe) but I think I've managed to salvage that OK. Unfortunately I think that the barrels are going to need new liners or a rebore and I'm looking for an engine reconditioner in the North East who can do it. I've used Cleasby in Durham many, many moons ago for car engines but I'm looking for recommendations from anyone. Unless of course someone on the forum has suitable replacements for sale ?
I'm also having trouble removing the fork tubes from the stanchions, I've undone the bolt in the bottom of the leg but I cant remove it, its just turning and the tubes just aint moving anywhere, any pointers please ?
Thanks
Steve
mike the bike:
Regarding the stanchions, try spraying with WD40, remove the clamp bolts, prise the clamps open slightly with a screwdriver and tap the top with a large hammer. Don't forger to protect the fork caps with some hardwood.
JamesH:
I think what steve is trying to say is he can't get the fork tubes (stanchions) out of the fork lowers?? Do the 400f forks have an inner retaining circlip that sits above the fork seals? If so, have you removed these? Apologies, not familiar with 400F legs. Graham, Bryan, Rich, Ash?
mike the bike:
Sorry, I misunderstood. There's an M8 Allen bolt at the bottom of the fork leg in the curved bit where the axle goes. When refitting, don't forget the copper washers. Here's a diagram....
http://www.cmsnl.com/honda-cb400f-england_model14639/partslist/F01-1.html#results
The circlip only secures the seals and doesn't need removing to separate stanchion from fork lower.
Johnwebley:
--- Quote from: mike the bike on September 02, 2015, 07:08:47 PM ---Sorry, I misunderstood. There's an M8 Allen bolt at the bottom of the fork leg in the curved bit where the axle goes. When refitting, don't forget the copper washers. Here's a diagram....
http://www.cmsnl.com/honda-cb400f-england_model14639/partslist/F01-1.html#results
The circlip only secures the seals and doesn't need removing to separate stanchion from fork lower.
--- End quote ---
I am not sure of 400 forks,but with my 500,to remove the allen bolt at the bottom,some times you need to remove the top cap,and
hold the center damper unit,then hopefully the bolt will unscrew,
hope this helps,sorry if it confuses
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