SOHC.co.uk Forums > CB500/550
Primary Chain + F1 forks
Seabeowner:
Thanks, will try Philpots later. But in 40 years I have never seen such a deep gouge out of a fork leg. 6 x 3 mm and at least 1mm deep.
Back on the subject of primary drive. I have ordered the dampers from cmsnl, about £3.70 each. Not sure how you judge if the old rubbers are knackerd, butt thought just their age would do it.
Primary chain: following up on the ebay advert I have come across this Kawasaki 92057 number at cmsnl. Fits the z400J (4 cylinder) that was sold in the UKin the early 80s, the Z550 Zephyr from much later and a few other kwackers. Marked as CHAIN,#63-139X50L
Obviously too much time on my hands, semi retired and B cold in the garage.
http://www.cmsnl.com/kawasaki-1984-b1-zr400_model12706/chain-63-139x50l_920571011/#.Vp4jmPmLTGg
What do you think??
When do we get to 2016?
Phil
mike the bike:
While the engine's in bits, have a look at those damper rubbers in the primary drive. Mine were rock hard and I replaced them.
AshimotoK0:
Quote: "Obviously too much time on my hands, semi retired and B cold in the garage."
Nothing of the sort !!!! ...just the type of skullduggery we need. Looks like the right chain ( same ref as in my previous post) Don't go entirely on my advice alone thought. Great price if it is but check who manufacturer is ..should strictly be Tsubaki .
Definitely change those rubbers , false economy not to. They get a hardened skin due to to oil immersion after all of those years. I had a 400/4 ones go rock hard on the outside after 9 years.
I bought my third Yellow F2 400/4 as a write off and the guy replaced it with a KZ400J . The Honda was written off because the tank had a scratch and the seat was ripped in the really minor 'accident' (Honda spare part prices eh) ! Someone told me the Japanese collect Z400J's ..dunno how true it is.
ITS TRUE:
http://motorcycle.goobike.com/motorcycle/bike/stock_8502005B30150717002/
http://motorcycle.goobike.com/motorcycle/bike/stock_8700257B30151007001/
http://motorcycle.goobike.com/motorcycle/bike/stock_8201636B30150704002/
I think Phillpots can do wonders even with really deep pits but you need to speak to them. Wouldn't consider anyone else and the forks will never rust again .. trust me I had a Kwak KZ650B1 with their forks hard chromed fork on it , left out in all weathers and never ever had a speck of rust or corrosion on them.
Seabeowner:
Thanks Oddjob. I have already made two wooden frames/stands to sit the engines upside down. Have stripped the old spare CB500 engine I have had lying around for years. Haven't attempted to removed the rotor yet though as was looking to find a way round the without the tool, Is it a 16mm x 1.5mm pitch? Can't find anything here.
The actual engine I am re-furbing is for the 550 F1. I think that they are supposed to be slightly less prone to gouging the cases, but even at 31k the chain is making its mark. I think rough running engines can cause this.
Bryanj:
Lack of correct servicing and owner abuse causes most damage, remember use mineral oil changed at 500 miles then at 1500 and every 1500 (or every year) after, Honda say a filter every other time me say filter every time
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