Once you select the option, estimate delivery time will be displayed.
*Shipping date and Estimate time of arrival are not guarantee.
Once your orders are placed, we will check the stock of manufacturer and send you the confirmed Shipping time via e-mail.
*The number of rear sprockets ÷ the number of front sprockets = reduction ratio The higher the value of this reduction ratio, the more acceleration is emphasized, and the lower the value, the more maximum speed is emphasized. *Please refer to the compatibility chart for the stock number of knives. *There may be changes in product specifications due to the manufacturer's reasons.
This front sprocket is made of S45C (high carbon steel), which is lightweight and highly durable. ●The sprocket is a consumable item.Check the sprockets every 1000km as a general guide.(If the tip of the tooth has become thin, replace it.The life of the sprocket and chain can be greatly improved by daily lubrication.)
Points of Attention
* If there may be an instruction manual included, it will be written in Japanese.
BUSINESS Mopeds with GEAR are designed to be used repeatedly for starting and stopping, so the first and second gears are extremely low GEARed. Therefore, Gear changing is a little busy for riding as a daily transportation, and the maximum speed tends to be overwhelmed on the fast flowing road such as Bypass.
In such a case, if you change the Sprocket to a Large one, you will be able to ride more easily because the number of times you need to change the gear is reduced when you accelerate→decelerate from intersection to intersection, leaving aside the maximum speed.View Detail
The YB-1 is a base for replacement of YB-1Four. I can't use 1st gear properly because of the busy gear changing right after the start in the super low GEAR mode. In order to improve the situation, the number of Sprockets is increased by one. That alone is a significant improvement. I think that it is the Custom that is quite effective for being able to exchange with only Driver and Snap Ring Pliers. Just by doing this, you'll be able to use 1st gear to some extent and your top speed will increase considerably. (I can't give specific numbers on COMPRyanus.) .
Compatible model YB-1FOUR 5JE Since it was with all models, the same 5JE YB 50 (4st) It attached to (Incidentally this is the 2st YB 50 ? It does not comply with YB - 1) Although OEM was exchange from 11 T, it became 12 T, a little accelerating became Mild, the feeling of ginkishness decreased and it got easier to ride.View Detail
Change from Front 12 to 13. Especially when you started off, there was no hold down and 2nd speed, 3rd speed became easier to use. It seems that engine speed at each GEAR was also slightly lower and fuel efficiency improved.View Detail
It purchased to YB-1 Four. Probably, it is exchange Mandatory when you want the maximum high speed, since an authentic positive one is considerably set as low-speed slippage. Quality is complaint-less !.View Detail
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