CM400T many issues to deal with

frozenhawaiian · 07-26-2012, 12:13 AM

so I've been riding the bike to and from work every day this summer and a number of issues have cropped up.

1. bike seems to be lagging powerwise, mainly when I give the bike some gas I notice how sluggish it is, I'm told this is likely a combination the carbs being to lean and a dirty air filter. fairly straightforward fix. I'm no mechanic so I'm gonna take the bike to a shop to have the carb work done, if the carbs are bad I may just order rebuild kits and have the carbs rebuilt.

2. the rear suspension appears to be shot. I noticed this yesterday whe I sat ont he bike and it seemed stiff. bounced on the bike a few times and the rear shocks almost seem frozen, they didn't move a bit. so I'm assuming they need to be replaced. my plan is to have them replaced with these:

http://www.ebay.com/itm/79-81-HONDA-...#ht_1055wt_907

also gonna go ahead and buy new springs to go with the new shocks.
http://www.ebay.com/itm/79-81-HONDA-...r#ht_979wt_907

3. the throttle is stiff to twist, I've lubed the cables but it doesn't seem to take more than a week or 2 for the throttle to start getting stiff again.

4. the taillight sometimes works, sometimes doesn't. when it doesn't work turning the key off then back on usually gets it to work. no idea what the hell is up with that one.

so. any input on any of this?

Dodsfall · 07-26-2012, 12:37 AM

It may be time to replace the throttle cables.

A light not working is usually a short or bad connection. If it uses a relay, that might also be going out. (I don't think tail lights use a relay, generally.)

frozenhawaiian · 07-26-2012, 01:39 AM

ok, straightforward enough fix I suppose.

frozenhawaiian · 07-26-2012, 02:52 AM

any of you familiar with the cm400 and the shocks listed know if they fit some websites say yes they fit, others say no they do not.

Klrlindy63 · 07-27-2012, 12:02 AM

My first bike was a CM400t, great dependable bike.
for the shocks did you contact the seller and ask?
Did you try any of the bone yards?
I bought off these guys years ago, not sure how they are these days. http://www.cyclesalvage.com/
Good luck with that bike.

07-26-2012, 12:13 AM	#1
frozenhawaiian Verified Join Date: Oct 2011 Posts: 90	CM400T many issues to deal with so I've been riding the bike to and from work every day this summer and a number of issues have cropped up. 1. bike seems to be lagging powerwise, mainly when I give the bike some gas I notice how sluggish it is, I'm told this is likely a combination the carbs being to lean and a dirty air filter. fairly straightforward fix. I'm no mechanic so I'm gonna take the bike to a shop to have the carb work done, if the carbs are bad I may just order rebuild kits and have the carbs rebuilt. 2. the rear suspension appears to be shot. I noticed this yesterday whe I sat ont he bike and it seemed stiff. bounced on the bike a few times and the rear shocks almost seem frozen, they didn't move a bit. so I'm assuming they need to be replaced. my plan is to have them replaced with these: http://www.ebay.com/itm/79-81-HONDA-...#ht_1055wt_907 also gonna go ahead and buy new springs to go with the new shocks. http://www.ebay.com/itm/79-81-HONDA-...r#ht_979wt_907 3. the throttle is stiff to twist, I've lubed the cables but it doesn't seem to take more than a week or 2 for the throttle to start getting stiff again. 4. the taillight sometimes works, sometimes doesn't. when it doesn't work turning the key off then back on usually gets it to work. no idea what the hell is up with that one. so. any input on any of this? Last edited by frozenhawaiian; 07-26-2012 at 12:20 AM..

07-26-2012, 12:37 AM	#2
Dodsfall Administrator Join Date: May 2008 Location: Illinois, USA Posts: 15,896	It may be time to replace the throttle cables. A light not working is usually a short or bad connection. If it uses a relay, that might also be going out. (I don't think tail lights use a relay, generally.) __________________ 2008 XL1200R To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

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07-26-2012, 01:39 AM	#3
frozenhawaiian Verified Join Date: Oct 2011 Posts: 90	ok, straightforward enough fix I suppose.

07-26-2012, 02:52 AM	#4
frozenhawaiian Verified Join Date: Oct 2011 Posts: 90	any of you familiar with the cm400 and the shocks listed know if they fit some websites say yes they fit, others say no they do not.

07-27-2012, 12:02 AM	#5
Klrlindy63 Senior Member Join Date: Jul 2012 Location: NJ Posts: 978	My first bike was a CM400t, great dependable bike. for the shocks did you contact the seller and ask? Did you try any of the bone yards? I bought off these guys years ago, not sure how they are these days. http://www.cyclesalvage.com/ Good luck with that bike.