Quote:
Originariamente inviata da Furia3000
Mi sa tanto che prendo os e chi si è visto si è visto
P.s. Sono andato sul sito os è ci sono moltissimi modelli !! Come faccio na scegliere ?😔
C'è :
Os speed b2101
Os speed b2101 tessmann
Os speed Xz-b spec 2
Os speed Xz-R
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copio e incollo perche' trascrivere non mi va
spero mastichiate un filo di inglese :
B2101: smooth power, more linear than the XZ-b long stroke. Easier tuning window than the long stroke XZ-b. Shorter stroke than XZ-b is easier to break-in. Adequate peak power, but not enough torque down low for truggy. mileage is slightly better than the XZ-b line. Best pipe is OS 2090
XZ-b Spec II: An improvement over the original XZ-b. OS returned to the #1 long needle for the low speed adjustment. Easier to tune than the original XZ-b. Power is actually soft waaaay down low, then a massive hit in the midrange leads people to believe that peak power is insane. Top end flattens out a little faster than the B2101. Over all the powerband is aggressive with a huge hit, but can be a bit much for some. Best pipe is the 2090 or 2050 if you can find one. Long strokes are a bit more finicky to tune and to keep lit as they have more stroke under pinch. Needs a heavier flywheel to overcome the longer stroke. Mileage is about the same as the B2101 if not slightly less.
XZ-b Speed: This motor tends to get a bad rap as being hard to tune, finicky, and over powered. As I mentioned before, the massive midrange hit fools people into thinking that the peak power is massive. Actually the position of the peak power of this engine is very up-front and leads to a lot of wheel spin. Torque down low is adequate, but the mid range hit can be a problem. Tuning is a bit more tricky. I do not suggest this motor for a newbie or mid level racer. This motor also suffers from "long stroke syndrome" and has more stroke under pinch. This results in longer break-in times, tricky idle settings, and smaller tuning window.
VZ-R Speed: E' da on -road nulla centra con l'off
