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-   -   2002 xt600e engine rebuild/replacement questions (https://www.horizonsunlimited.com/hubb/yamaha-tech/2002-xt600e-engine-rebuild-replacement-105038)

xtrock 14 Nov 2024 13:47

Consumption is really high, mine is 3,7L/100km.

N67 14 Nov 2024 17:36

Quote:

Originally Posted by xtrock (Post 644201)
Consumption is really high, mine is 3,7L/100km

well, guess it's partially caused by riding style as well - as remember, used to have <4l/100 km when following a car in smooth/slowish pace.

xtrock 14 Nov 2024 17:54

Quote:

Originally Posted by N67 (Post 644205)
well, guess it's partially caused by riding style as well - as remember, used to have <4l/100 km when following a car in smooth/slowish pace.

Yeh offc but i never had that much change even with harder riding. Can you do a test in 80kmh steady riding and see what its at next time you are on a trip?

N67 15 Nov 2024 21:51

Quote:

Originally Posted by xtrock (Post 644206)
Yeh offc but i never had that much change even with harder riding. Can you do a test in 80kmh steady riding and see what its at next time you are on a trip?

yep, would be interesting how will the consumption be on this steady mode. maybe will try on the occasion in flatter side of the country on calm weather.

turboguzzi 16 Nov 2024 17:24

Bravo! nice wrap up, kudos to you for taking on the job in a place where there is much less technical support.


I wouldn't loose sleep over 5,5L/100km,


According to data of 32 persons (23 + 9), its within normal.


https://www.fuelly.com/motorcycle/yamaha/xt600e


https://www.fuelly.com/motorcycle/yamaha/xt600z_tenere


just choose L/100 units.


keep up the good work!

N67 17 Nov 2024 18:39

Quote:

Originally Posted by turboguzzi (Post 644252)
Bravo! nice wrap up, kudos to you for taking on the job in a place where there is much less technical support.


I wouldn't loose sleep over 5,5L/100km,


According to data of 32 persons (23 + 9), its within normal.


https://www.fuelly.com/motorcycle/yamaha/xt600e


https://www.fuelly.com/motorcycle/yamaha/xt600z_tenere


just choose L/100 units.


keep up the good work!

thanks for the reply, and links give a clear picture of what i've heard/remembered randomly.
guess this forum at least somehow compensates me the lack of technical support :mchappy:

xtrock 18 Nov 2024 17:45

Riding in city with hills and a little choke start its approx 0,4, the 0,37 was at 80km trip started with full tank, filled up at 80km and going between 60-80kmh steady not only flat riding. For the link with people having 0,38mpg i recomend looking for leaks or overhaul carb/adjust valves and check comp, never had on any of mine XT 43/3tb/4pt even with hard riding and 2 on bike it was steady 0,5l.

nickargas 23 Jan 2025 08:10

in my experience, the further I've been in a single tank is this https://maps.app.goo.gl/MJgA7HRudu3K6mC39

it's 165 km and I was thrushing it . my xt though has a wiseco flat 98 mm piston and it's 636 cc and has a second stage cam and most importantly it has a signle 39mm Fcr keihin carb. That makes it about 9L/100
i took it there because there is one of the best xt mechanics in Greece located there and my bike is there a couple of months...
i will upload later on the things i asked him to do .

turboguzzi 24 Jan 2025 05:44

nick, open a new thread, your bike is a very different story from N67's bike....


in any case, 9L/100km sounds waaay too much.... something in the way your carb/ignition/engine are setup is surely not optimized. quite hard to give you advice without ever seeing.



go to these links, switch units to L/100km just to see how bad is your case.

https://www.fuelly.com/motorcycle/yamaha/xt600e

https://www.fuelly.com/motorcycle/yamaha/xt600z_tenere



And the carb, cam and piston dont explain this, very often a tuned bike gives better milleage than stock due to better efficiency.


open a new thread and we can continue there.


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