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Title: Suzuki z400 wont start! Please help! Post by: moorespeed on October 27, 2007, 06:03:13 PM 2003 suzuki z400. Started it the other day to ride. Rode it around for a few minutes. When I would give it full throttle it would bog out, but if I rolled into real slow it was fine. Then the bike cut off and now it wont start. I figured it was a fuel problem, but theres plenty of fuel in the carb. Put new plug in and it is getting great spark, but wont fire. Please give me some ideas or suggestions. Thanks in advance,
Tony Moore Title: Re: Suzuki z400 wont start! Please help! Post by: KD 428 on October 27, 2007, 06:11:16 PM There is probably dirt or water in your tank. Same thing happened to me and I found out someone put crap in my tank.
Title: Re: Suzuki z400 wont start! Please help! Post by: moorespeed on October 27, 2007, 06:24:16 PM Ill go check that. Thanks for the reply. Keepem coming.
Title: Re: Suzuki z400 wont start! Please help! Post by: dynodon on October 27, 2007, 08:36:51 PM Check the screen in the tank where the shut off is. That screen may be plugged up.
Title: Re: Suzuki z400 wont start! Please help! Post by: predatorracer8 on October 27, 2007, 08:53:29 PM double check that all your tubes and all that are good shape and connected, i had a similar problem when a hose came loose.
Title: Re: Suzuki z400 wont start! Please help! Post by: moorespeed on October 27, 2007, 11:34:22 PM Drained and changed the gas. Nothing, same results. Even put some fuel in the cylinder and its still not firing. Could the bike have jumped timing or is there anything electrical that could cause this? I will go check all the lines though. Thanks guys and keep the suggestions coming.
Tony Title: Re: Suzuki z400 wont start! Please help! Post by: Fox17 on October 27, 2007, 11:41:30 PM maybe its cause you didnt buy a honda!?!?!?!?
Title: Re: Suzuki z400 wont start! Please help! Post by: klutchbuster400 on October 27, 2007, 11:46:30 PM I've seen this happen 3 times, it only happens to the 03-04 models, move the petcock to primary. That should make it work fine.
Title: Re: Suzuki z400 wont start! Please help! Post by: moorespeed on October 28, 2007, 08:55:51 AM Yea that happened to me about a month ago. Already did that. Thank you for the idea though. Any others?
Title: Re: Suzuki z400 wont start! Please help! Post by: klutchbuster400 on October 28, 2007, 09:49:23 AM Dumb question, but did you clean the carb yet?
Title: Re: Suzuki z400 wont start! Please help! Post by: moorespeed on October 31, 2007, 06:47:21 PM Anyone have any other ideas? Thanks in advance
Title: Re: Suzuki z400 wont start! Please help! Post by: HolyLandMan on October 31, 2007, 07:38:29 PM does try to crank. if so pull the plug and put your finger in the sparg plug hole then hit the button at the same time. see if it sucks your finger. if it does never mined. but if it doesnt somethings wrong. such as a valve is stuck open, conecting rod broke. you will probly have to pull the motor apart. write back
Title: Re: Suzuki z400 wont start! Please help! Post by: greenmachine on November 01, 2007, 08:28:45 AM You need to remove the carb & disassemble & clean. If it starts but boggs out when you hit the gas you have a lean condition. Which means you are getting more air than fuel. It sounds like an obstruction in the carb.
Title: Re: Suzuki z400 wont start! Please help! Post by: kawasakimojaverider on November 17, 2007, 01:40:06 PM you mite have some sand in your jets
Title: Re: Suzuki z400 wont start! Please help! Post by: 07orlando450R on November 19, 2007, 03:44:12 PM try draining the float and then maybe pull start it with a truck or something, i have a kfx 400 ( az400) and it would never start cold,the valve clearance was out of wack so it would only be good enough to start warm. did you notice the bike has lost any low end power lately? if so the valves may be an issue. they can get screwed up real quick if dirt and sand get in the motor through the air cleaner, make sure the boot to the carb is on! thats what happened to me, and replace that 1/4 wide boot clamp with a big fat stainless one, it holds the boot on a lot better
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