fzr 250

I will assume that the bike is turning over (i.e. not battery or electrics) and that you have fuel, and that you have turned the fuel tap to either on or reserve. (always have to ask these questions just in case...).

Second set of quick checks - when you first turn the bike on you hear 'tick tick tick' quite rapidly meaning the fuel pump is working (you should also hear a tiny whirrr of the exup motor). If you leave the fuel tap in the off position these ticks should last longer to give you more time to listen.

Possibilities that I can think of:
1) The tubes from the tank are clogged.
2) Many fzr's have inline fuel filters between the fuel pump and carbies. These may be clogged as well.

Welcome to the group though!

 

Hi Boz, thanks for the welcome and thanks for replying.
We've looked at the bike and if it has an exup valve we can't find it.. The exhaust is a complete unit, has no plates anywhere on it.
There is definetly fuel in the float bowls, the spark is excellent, but no fuel is getting through to the motor. We got the bike 2 months ago, and it used to start fine, then i couldn't ride for 3 weeks and then it was hard to start after that. I was told it was the fuel pump, so i got a new one, and it started then, not as easy as it used to but it would start after a while. It has just been getting harder ever since. We looked at this forum and it said to clean the carbies, we did that and it started ok the first time then became hard again. last time it went it started but wouldn't rev at all until it warmed up, but went ok apart from refusing to idle.
Now it won't start at all, so we took the carbies off, cleaned them again, no luck. Rang a mechanic and he said it was because i had premium in it, so we drained the tank, put normal unleaded in it, bought new plugs but it still won't go. We even put some petrol down the spark plugs but it just won't fire. I'm at the point that i just want to burn the thing <!-- s:cry: --><img src="{SMILIES_PATH}/icon_cry.gif" alt=":cry:" title="Crying or Very sad" /><!-- s:cry: -->

 

I'm at a bit of a loss then as to what it could be. Hopefully someone else could help. Do your plugs have a spark? I have read that the caps for the sparkplugs can have their wires come loose, and subsequently no spark for the plugs. It's just another possibility...

As for the exup valve - very unlikely that this would prevent the bike from actually starting. It may prevent it from idling well, and may cause it to stall, but unlikely to cause initial starting problems (it could cause re-starting problems, but not prevent it starting all together). The exup valve (for your info) should be located directly beside/below the side stand. There should be a metal cover shielding two cables - these are the cables that actually run to the exup valve. The valve is right in the exhaust, so it isn't a seperate piece or anything. (alternatively you can take off the left hand side rear fairing, and you will see a small servo motor for the exup with two cables coming out of it). It may have been removed though...

 

Won't start (sounds familiar)

Sounds like you have the same problem as me. Try downloading the FZR 400 manual on this site and try running through the troubleshooting guide at the back. If you have no joy it may be an electronic ignition problem that may be originating in the control box at the back of the bike. I almost certain its the same problem on my bike. I'm also on the point of burning my own bike!

good luck

 

Spark on the bike is excellent, heaps of fuel in the float bowl, just not going into motor. pump works well, but have never heard a *whirr* of an exup? Bike sounds like it wants to start, it sounds so close, just won't do it.

I just went down to the local place that import these things and asked them if they'd know as they deal with them every day. . Explained every thing that we had done to it, and he said it was definetly a carby problem and that i really needed to take it to a bike mechanic to have them rebuilt as they are really fussy things. So therefore the bike has been put at the side of the garage as i don't have the available funds to take it to a mechanic. I got my licence and bought it so i could go riding with everyone else.. so now i still get to stay home <!-- s:???: --><img src="{SMILIES_PATH}/icon_confused.gif" alt=":???:" title="Confused" /><!-- s:???: -->

 

That's sucks.

Where are you anyways? I know some people in melourne have successfully dealt with their carbies (I never tried) and they may be able to assist. I can also give you some contacts of people who knew and dealth with my fzr while I had it - knowledgable people and very reasonable.

The whirr of an exup is a very quiet sound. It could be described as a hum or something... But when the bike is turned on the exup servo motor goes through a calibration cycle opening then closing the valve, which typically produces a whirring sound. Of course if your bike had the exup removed then it wouldn't have one...

 

We're in Brissy, (where it is still warm enough to go riding) <!-- s --><img src="{SMILIES_PATH}/icon_smile.gif" alt="" title="Smile" /><!-- s -->
My other half (Hammer) knows a lot about bikes and he's looked and he said the Exup must have been removed because it's definetly not there. My bike has been crashed on that side, so i'd say they removed it while repairing it. Most of the work on it that we've found has been dodgy so it's not surprising.
But if anyone can refer us to someone in brissy who can fix it, and won't rip me off it would be greatly appreciated. I'm not a very good rider so i don't go fast, but it still goes faster when running than my pushing it at the moment!

 

Can't help you personally with contacts - hopefully someone else can point you in the right direction. Do wish you the best of luck getting the bike going again. The fzr is a great bike when it is running!

 

Hi, took the bike to the bike shop today. They said if it's nothing too bad i might get it back by the weekend <!-- s --><img src="{SMILIES_PATH}/icon_smile.gif" alt="" title="Smile" /><!-- s --> Lucky for me my brother said he'll pay me the money he owes me for a car so i can afford to have it fixed.
Guy at bike shop said it's pre Exup, and refused to burn it for me <!-- s --><img src="{SMILIES_PATH}/icon_sad.gif" alt="" title="Sad" /><!-- s -->
keep ya posted...

 

<!-- s --><img src="{SMILIES_PATH}/icon_biggrin.gif" alt="" title="Very Happy" /><!-- s --> bike is back from shop. The shims were absolutely stuffed, he replaced them, adjusted the carbies, tuned it and now it starts incredibly easy and goes a lot better.. all for $250 (ouch but i want to ride)

 

Good to hear! $250 isn't too bad I must say - I had a quote of $400 for carbie tuning. So sounds like you have found yourself a reliable mechanic.