Is my bike getting good MPG

[dudeboy52]

Hi my bike is restricted and i can only get about 140 miles out of the tank as the light comes on around then. Every one on hear says you can do over 200 whats wrong with mine? 

[stevierst]

If you have smartphone, get one of the fuel consumption apps and use it to monitor your fuel ups. You should be getting 45+ easily.

Might be because your having to screw everywhere to get a restricted bike to go well.

[limax2]

That doesn't sound good. Check how much fuel you are putting in each time and work out the m.p.g. rather than just go of the light coming on.
 An un-restricted Fazer 600 normally gets between 50 and 60 m.p.g., and I would have thought a restricted one to be at the top end of that.
 

[Fazerider]

Without knowing how many litres you're sticking in there it's hard to say what's wrong.
If it's 18+ litres then you've a problem and I'd check the colour of the plugs to see if the carbs are set too rich... if it's 12 litres the problem is you're getting fooled by the fact that the fuel warning light comes on when there's a gallon left to use in the tank.

[stevierst]

Does the fuelling need altering when the bike is restricted? Any takers?

[xlewisbdx]

Depends what model of bike you have aswell.


Mine (1998) has a smaller fuel tank than the newer fazers.

I use a app called fuelly.

[darrsi]

You have an 18 litre tank, 00/01 has 20 litres, 02/03 has 22 litres.

[Buzz]

I recently checked the average I've done since i bought my 03' 600 in May and got 61.3 mpg (4523 miles on 332 liters of fuel), about 70% of that has been long 200 mile motorway runs.


Still makes me laugh when the MCN review says "Apart from its thirst for fuel it would make a great despatcher's motorcycle"

[stevierst]

I've had 3 fazer 600's now, my first one did mostly motorway and did 55 ish at [ahem] 85mph ish. My second one as a commuter averaged 50, and my latest one  just gets ridden and refilled after About 180 miles or so.

[Jc72]

Mcn reviews are utter pants, if its not a race rep that does 180 mph it's a crap bike, I remember years ago when suzuki changed the bandit from the first shape to the second and they were moaning about how uncomfortable it was, but the next review was an r1 and they were raving about how comfortable that was,  nobs. I would of thought that most 600s should be 50 + mpg these days as long as your not ringing it's neck,

[darrsi]

I've never tried to work out what fuel i use, i'm stuck in traffic most days and don't travel far enough for it to really bother me, plus it wouldn't be a true measurement of mileage and fuel ratio anyway. 
 

[packie]

I'd say its about normal providing if it's an 18 litre tank and if your riding are mostly made up of small trips with a lot of stop starting.

There's about 3.5ltr in reserve when the light comes on, so you'd be getting 140 miles on 14.5 litres. That's 43 mpg.

I get about 45 mpg if i'm stop starting a lot but I can get 55 mpg on longer runs. I have the Foxeye model (02 onwards) which has 22 litres, and on average if the riding is mixed with 70% of short trips at 45mpg and 30% of longer trips at 55mpg, then I have no problem in getting 200 miles. It looks like you have been reading guys fuel data that have the bigger tanks. If you have the latest model and only getting 140 to the warning light, then ya...either there is something seriously wrong or else you are doing a 100+ mph all the time!!

[JZS 600]

I was getting 60 -65 on a daily commute on A roads. Average 10L for 2 days @65 miles each.


Got it down to 55 when thrashing.


I could probably go lower if I spanked it on back roads but I use the bike for transport for work and I'm happy.


Had a ZX-6 and I was averaging 14L for the same commute

[unfazed]

The tank on the 97/98 fazer 400 holds 18 litres (Original of the species)
The tank on the 98/99 fazer 600 holds 18 litres (Same shape tank as the 400)
The tank on the 00/01 fazer 600 holds 20 litres (Tank is the same shape as the the above but filler neck is shorter which allows you to put in and extra 2 litres))
The tank on the 02/03 fazer 600 holds 22 litres (different style tank)
There you go
 

[ChristoT]

I suspect that my Fazer runs rich too then. My bike is also restricted, and on day to day riding (into Uni and back), I only get about 45 - 50mpg. A bit of a wakeup call from the 78mpg I got out of my Varadero 125!!

[dudeboy52]

Ive got the 1999 model and yes i ride mainly in town and on short journeys 

[unfazed]

I suspect that my Fazer runs rich too then. My bike is also restricted, and on day to day riding (into Uni and back), I only get about 45 - 50mpg. A bit of a wakeup call from the 78mpg I got out of my Varadero 125!!

45-50 is not bad for short journeys.
Big difference between the two bikes. Remember the fazer has the equivalent of  four 125 pistons
When was it serviced last?
Were the air filter and plugs changed recently?
 

[packie]

Ive got the 1999 model and yes i ride mainly in town and on short journeys 

Then you are getting pretty reasonable fuel consumption. I reckon your are getting about 43-45mpg for a lot of low gear riding and stop starting. That would bump up tp 50mpg+ if you were doing longer trips which is about the norm. The reason you were alarmed was some folks said they got 200 miles to the warning light, but you forget that these dudes have nearly an extra gallon and could be talking about motorway riding too.

[alexanderfitu]

I suspect that my Fazer runs rich too then. My bike is also restricted, and on day to day riding (into Uni and back), I only get about 45 - 50mpg. A bit of a wakeup call from the 78mpg I got out of my Varadero 125!!

I never used to get more than 65mpg from my Varadero ever! Rag it, drive it like a granny, nothing!

[ChristoT]

I suspect that my Fazer runs rich too then. My bike is also restricted, and on day to day riding (into Uni and back), I only get about 45 - 50mpg. A bit of a wakeup call from the 78mpg I got out of my Varadero 125!!

I never used to get more than 65mpg from my Varadero ever! Rag it, drive it like a granny, nothing!

Carbs or injection? I had a carbs model, fitted a 15 tooth front sprocket, and took the baffle out of the airbox to improve flow. Knocked revs down by about 1000 rpm for a given speed. I thought that 78mpg was pretty good for an '04 ridden aggressively seeing as the newer ones are advertised at 90mpg!

[alexanderfitu]

mine was an 09 injected, stock apart from the devil can. I was always dissapointed with the fuel economy of mine

[unfazed]

Does the fuelling need altering when the bike is restricted? Any takers?

Apparently not

[alexanderfitu]

I Think the yamaha OEM restriction kit includes different jets. Not sure if they are richer though.

[dudeboy52]

That explains it then i did not relise the newer ones had bigger tanks. And it has had a oil and filter change when i purchased it about a month ago. And dont no about air filter and plugs would it be worth putting iriduim plugs in and a k and n air filter? 

[unfazed]

K&N air filter is definetly the best upgrade you can do to the standard bike and a few pounds cheaper that the OEM filter.
Some do not bother checking the Air filter because it requires removal of the Tank and at least one side panel to get at it. give youaelf about 30 minutes to do it and do it before you fill the tank.
I have been using Iridium plugs for years now and found that the bike runs smoother and they last longer. I have put them into a few different bikes (Gsxr600, R1, Fazer 1000, BMW GS1200) and noticed the same.
They are more expensive than standard, probably just a matter of choice, but I like them.
With my 22 litre tank I get over 200 miles light on sedate rides before reserve shows it face but can drop to 180miles when ringing its neck.but with the 18 litre tank that would about 50 miles less.