Stock condition mia LC can be like that, especially if the carburator have never been serviced.
Check out here for a list of users who tracks their bike fuel consumption :
https://www.fuelly.com/motorcycle/yamaha/lc135As you can see, average users are getting 44-46 km per liter, so at full tank of 4 liter, that's about what you can hope to achieve.
Normally, I'm guessing, you would fill about RM7, which is 3.33 liter, multiply by 45km per liter, you get 150km per tank under normal riding condition.
After you service the carb, then track your mileage again.
The main tip to save petrol is all in the throttle control:
- Do not rev your bike at traffic light. Especially for VM carbs (mikuni round slide, all version except ES v2) because there is accelerator pump.
- Check out this video, it shows how the accelerator pump injects petrol stream into the carb as the throttle is pulled.
- Go easy on the throttle when twisting. The slower you twist it, the lesser the accelerator pump injects petrol.
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Other than that, you can try the tips below:
Pilot jet screw:
- For LC, this is a pilot fuel screw, so, the more turn out, the richer the pilot fuel circuit is.
- During carb setting, if it takes less than 1 5/8 turn to get a smooth idle for pilot screw, change to a smaller pilot jet.
- The ideal pilot jet and screw setting is, at around 1 5/8 turn of pilot screw, the bike will need a choke to start when cold, but once warmed up, off idle throttle response is good.
The above is step one, to improve your carb setting... if you can do it, let me know, then I will share some more.
It will take you a few days to figure out if the setting is right, because you need to let the bike sit cold overnight, and try to start it the next morning.
nice solution, may try it this evening...
what should i tell pomen if i wanted to adjust the pilot jet? or can i make it myself?