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R1 4XV AND 5JJ CARB WHAT'S THE DIFFERENCE
fs1eman - 30/1/14 at 03:39 PM

TextRed

The Venom Project - 30/1/14 at 07:47 PM

Nothing, my bottom half of my engine is 4XV and top is 5JJ

gaz_gaz - 30/1/14 at 09:13 PM

Slightly diff first gear ratio
AIS system on the 5jj engine.
There is a small diff in the gear selector mechanism.

I have both a 4xv and a 5jj sat in the garage looking for homes if you're in need.

eddie99 - 30/1/14 at 09:28 PM

5JJ supposedly has the better gearbox...