1981 CM400c Build

F

Fredrock

New Member
My goals is to get her running than start the transformation.. Picked it up running but with a carb leak. going to start the build.

When I picked her up
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The carbs that were overflowing (need to rebuild/refurbish.
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I think I need a new tank... I didnt find this putty untill after.
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Was only outside 1 day now in garage.
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Re: The no name CM400c Build

jungalist said:
that tank is good enough, surface rust won't hurt...
Click to expand...

good to know... it was bringing me down... I think Im going to order some gaskets and try to rebuild the carbs...
 
Re: The no name CM400c Build

Can anyone point me in the right direction for a carb kit? Id like to replace all the rubber pieces with new parts when I clean the carb...

http://www.bikebandit.com/houseofmotorcycles/1981-honda-cm400c-carburetor/o/m2122sch39745

anyone know what the OEM gasket parts include?
1: GASKET SET - BikeBandit Part #58213

or this? I just need the rubber parts
http://www.outwestmotorcycles.com/catalog/index.php?main_page=product_info&cPath=77&products_id=227
 
Re: The no name CM400c Build

The O-rings can be found seperately in universal sizes (make sure they don't melt when they touch fuel). And for the float bowl seal just go to your local shop and buy some gas resistant sealant and apply a light coat on top of your old rubber seal. but only do this when you are sure the right jets are in because it can be a pita to get it loose again.
 
Re: The no name CM400c Build

you could also cut a new float bowl gasket from some gasket material (you can buy cheaply online) would be much easier if you need to rejet
 
Re: The no name CM400c Build

Classic Commuters said:
you could also cut a new float bowl gasket from some gasket material (you can buy cheaply online) would be much easier if you need to rejet
Click to expand...

Would something like this work?
http://www.amazon.com/Fel-Pro-3060-Gasket-Material/dp/B000CNKUGO/ref=sr_1_2?s=automotive&ie=UTF8&qid=1397500680&sr=1-2

I still might order this because I want a good first build.

http://www.bikebandit.com/houseofmotorcycles/1981-honda-cm400c-carburetor/o/m2122sch39745
1: GASKET SET - BikeBandit Part #58213
 
http://www.partzilla.com/parts/detail/honda/HP-16010-413-405.html

Is that the right kit for my CM400? I know I need 2. Are the carbs the same for the cm400c cm400a & cm400T. Im ready to place an order.
ALready ordered the gasket material ask a backup. I seems like its something to have handy.
 
There are a number of different model VB carbs used on the CB/CM line. Check out the details here: http://www.hondatwins.net/forums/63-fuel-supply-carburation/21654-carb-information-years-jetting-more.html
 
Order complete found a quote on the link all gaskets are the same for the VB22 carb.

1 x Air Cut Off Valve (20-4020)
1 x Carb Pump Diaphragm (20-9041)
2 x Float Bowl Drain Screw (48-5042)
2 x P-16010-413-405 16010-413-405 GASKET SET

HerrDeacon said:
There are a number of different model VB carbs used on the CB/CM line. Check out the details here: http://www.hondatwins.net/forums/63-fuel-supply-carburation/21654-carb-information-years-jetting-more.html
Click to expand...

Looks like I have the VB22... I didnt see a way to find that carb kit.
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