SOHC.co.uk Forums > CB350/400

Hi & hello.

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marineboy:
Hello to everyone (New to 400/4`s, not to biking),
Ive always wanted a 400/4 since being a pillion on one in the late 70`s, well, Ive purchased one, she`s a 1977 F1, she`s had new wheel rims, mudguards are excellent in the chrome department and she also sports a genuine Honda exhaust which is in A1 condition & very low mileage....... thats the good part, the bad part is this.........

Number 1 carb floods and the engine is very noisey in the camchain area.... The mileage is just over 6000 mile (not a misprint!) I can trace her history back to 1989 with all MOT`s & tax discs,which makes me believe as far as possible that the mileage is genuine.

So far Ive replaced the float needle valve of the offending carb, set the tappets, changed the oil & filter and balanced the carbs.I looked at carb 2 and the small rubber on the needle valve housing has perished so I stopped there for now.(Ive ordered 3 more sets of carb repair kits from DS to sort out the rest) Ironically,when the carbs were put back on the bike,the 2 that I hadnt played with leaked & the one / two I done didnt!!

What I cant understand is this...? for a bike with such low mileage, why is she so noisey???
I tried adjusting the camchain using the haynes manual method, (incidentally, is the clymer manual any better than the Haynes???) this has improved the matter a little, but she is still noisey... Is this normal? If the tensioner is stuck,how can you free it without taking it all to bits??? Ive tried tapping various areas around the top of the engine in an attempt to shock her a bit, even a showing of my bank balance didnt work either!!!! 

Another thing that she does is whine very very slightly in 6th gear, its only just noticeable, but it is a different sound to the other 5 gears!!! , again, Im not sure if this is characteristic for these bikes or if its something to try & sort out.

Apart from DS,where else can I get NOS parts for her in England if possible???

All in all,Im pleased with her, once Ive sorted the flooding, noise & whining out, Ill be even more pleased with her!!!

Last question She has a different colour tank to the side panels, the tank is dark blue the side panels are lighter, how do I find out the correct colour for her???

Thanks for reading my story & for all the help you can (hopefully) give me,,,,, looking forward to all those replies ;)

Regards

PatM:
Hi and welcome.

I can

matthewmosse:
Most of the honda stuff on ebay seems to be bought from silvers and resold by sharks for a small profit on the item and a mark up on their postage

pae:
Hi and welcome to the site.

Phil

marineboy:
Blimey :o what a fantastic response!
Thanks for all your help, its given me food for thought, whilst England were giving their all, I took the carbs off again to await the replacement carb bits from DS.
Ive got 3 other bikes and the haynes manuals for these bikes and the car my daughter has are very good, maybe its me but I find the one on 400/4`s difficult to follow at times,for me they start off talking on one model then cross to the 550 then back to the 400`4 without any connectivity or seperation. perhaps old age is starting to take its toll. How good is the clymer one
Is there any colour codes on these bikes,mine`s the light blue I think or maybe the dark blue im not sure?
It is a F1 Im certain.

The tank is dark blue with no graphics but it has a locking fuelcap.... did the F1`s have locking fuel caps or is this wrong???
Im thinking of having it resprayed Parakeet yellow once the carb probs & noisey engine is sorted (2016!) but I need to know which tank it should have on it and whether any tank changes apart from the graphics were made to the F2 just incase it is a F2 tank (if that all makes sense!!!) and I have the wrong tank sprayed.

Cheers Guys & Girls

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