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**arijitmaniac** · 10-09-2017, 05:29 PM

AFR Issue?

Hi All,

My Fazer is just above 5 years old and has completed 35XXX KMs.
From the past one year I've been facing a weird issue with my bike.

In the morning the bike starts with just a single crank. But, once the engine has warmed up and after riding in traffic for a while, if I switch off the engine and leave it for some time (not sure about the duration but any time between 2 min to an hour), the bike doesn't start immediately. It almost always requires 2-3 cranks to get it going. It always dies after the first crank. I've noticed that it becomes fine again if I leave it for a sufficient amount of time (I'm guessing it starts fine after the engine cools down).

I've got my carb cleaned and I even use cleaning fuel additives like System 23 every 5-6K Kms. But the issue still persists.
I've tried adjusting my AFR also I feel that the AFR is fine (based on checking the spark-plug) but still not able to figure out what the problem is.
I'll go for a carb replacement if I know for sure that the carb is the problem. Right now I'm not so sure.

Any help?

**aravleg28** · 10-11-2017, 08:20 PM

Re: Yamaha FZ-16/ FZ-S

Guys, will RTR Apache 160's carb fit Fz-s ?? I think Apache's carb model is UCAL Bs-26 .. I believe Fz-s carb model is mikuni Bs-29 .. is the swap possible ??

**nadz11.ns** · 10-11-2017, 09:12 PM

Re: Yamaha FZ-16/ FZ-S

Originally posted by aravleg28 View Post

Guys, will RTR Apache 160's carb fit Fz-s ?? I think Apache's carb model is UCAL Bs-26 .. I believe Fz-s carb model is mikuni Bs-29 .. is the swap possible ??

Why would you want to do a swap?

**aravleg28** · 10-11-2017, 10:10 PM

Re: Yamaha FZ-16/ FZ-S

Originally posted by nadz11.ns View Post

Why would you want to do a swap?

Because I face cold start up issues.. throttle response lag.. idling issues ... Inspite of cleaning it in past services.. after some kms it starts behaving like this..

**aravleg28** · 10-11-2017, 10:12 PM

Re: Yamaha FZ-16/ FZ-S

and also now out of nowhere my handlebar struggles on the right side .. put the vehicle on main stand and made a check on handlebar play.. it struggles on the right hand side.. I suspect the coneset .. but I am not sure about it

**dantisjoeshaji** · 10-16-2017, 12:16 AM

Re: Yamaha FZ-16/ FZ-S

Bought a 2014 fzs a month ago and noticed a serious drop in mileage. 25kmpl on average. Previous owner told he got a decent milage of 40. Really new to a motor cycle. Help me out please.

(Previous owner asked me to check air filter. Any other solutions? Total 30K kilometers ran.)

**Joel Ashirwadam** · 10-16-2017, 08:01 AM

Re: Yamaha FZ-16/ FZ-S

1. Clear or replace air filter
2. Clean, adjust and Lube chain
3. Check tyre pressure
4. Change fuel bunk if suspicious of poor petrol quality

**Joel Ashirwadam** · 10-16-2017, 08:06 AM

Re: Yamaha FZ-16/ FZ-S

Originally posted by aravleg28 View Post

Because I face cold start up issues.. throttle response lag.. idling issues ... Inspite of cleaning it in past services.. after some kms it starts behaving like this..

Try changing the sparkplug, I had the same issue, change in sparkplug sorted it out and I used premium petrol for some time. It worked!

**aravleg28** · 10-16-2017, 10:11 AM

Re: Yamaha FZ-16/ FZ-S

Originally posted by Joel Ashirwadam View Post

Try changing the sparkplug, I had the same issue, change in sparkplug sorted it out and I used premium petrol for some time. It worked!

Thanks a lot 😉😊 will do it

**dantisjoeshaji** · 10-17-2017, 12:16 PM

Re: Yamaha FZ-16/ FZ-S

Originally posted by Joel Ashirwadam View Post

1. Clear or replace air filter
2. Clean, adjust and Lube chain
3. Check tyre pressure
4. Change fuel bunk if suspicious of poor petrol quality

Thank you so much. I'll make sure of those points. Is low milage issue in any way connected to clutch plate?

**Joel Ashirwadam** · 10-17-2017, 12:55 PM

Re: Yamaha FZ-16/ FZ-S

Originally posted by dantisjoeshaji View Post

Thank you so much. I'll make sure of those points. Is low milage issue in any way connected to clutch plate?

Clutch and low mileage, maybe but for that you'll get other symptoms along with it, such as slippage during hard acceleration, hard clutch... It is always good to check! I usually maintain 80-84 Kmph at 6000 Rpm, if you are doing the above speeds at higher RPM, then check the clutch!

**Kartik Shetty** · 10-18-2017, 08:59 PM

Re: Yamaha FZ-16/ FZ-S

Which side to turn for rich mixture in fz carb? I feel I'm running on the leaner side

**Joel Ashirwadam** · 10-18-2017, 09:26 PM

Re: Yamaha FZ-16/ FZ-S

Originally posted by Kartik Shetty View Post

Which side to turn for rich mixture in fz carb? I feel I'm running on the leaner side

This link should answer your query...

Yamaha FZ-16/ FZ-S - xBhp.com : The Global Indian Biking Community

https://www.xbhp.com/talkies/showthread.php?p=1228016

Share what you think about the motorcycle you own or have owned in the past.

[quote name="ChristianRey" post=1225704]How about the top speed? I also have FZ16 and my top speed is only 115kph. This is not a speed I was expecting for a 153cc bike.[/QUOTE]<br />
<br />
......

**dantisjoeshaji** · 10-21-2017, 09:18 AM

Re: Yamaha FZ-16/ FZ-S

Is FZ 2.0 tail lamp a direct fit for FZ-S? Or can it get fixed by some alterations?

**Joel Ashirwadam** · 10-21-2017, 09:24 AM

Re: Yamaha FZ-16/ FZ-S

Originally posted by dantisjoeshaji View Post

Is FZ 2.0 tail lamp a direct fit for FZ-S? Or can it get fixed by some alterations?

I was more or less wondering how to fit FZ25's headlight into FZ-S, as for the tail lamip I don't see a direct fit. But can anyone tell me in regard to the headlight swap!

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Yamaha FZ-16/ FZ-S

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