RPM oil cooler & riding temperature

[RPM - Robert]

Randy. Thank you very much for your help. And It could be useful for your European clients, I think, so I pass you the settings of all FJ 1200 series

Needles: different code, but are exactly the same. The only difference is that the US needles have not regulation grooves

Alf, just confirming that is the specifications you actually have in your carbies.

Secondly, what is the number on the needle please.

[Alf]

Alf, just confirming that is the specifications you actually have in your carbies.

Secondly, what is the number on the needle please.

STD European

Float heigh 22
Main jet: 112.5           
Main air jet: 45
Needles: 5FZ74-3
Needle jet: Y-2
Pilot air jet 155
Pilot jet 40
Valve seat size: 2.3
Starter jet 30

PLUS

KN air filter
5º advancer
XJR derestricted cans
115 mains deffinitively dont work at high alttitude, even low the temp around 5º
Shimmed needles cause virtually no effect with my overheating problems

[Pat Conlon]

Alf, are you sure your main air jet is a #45 (0.45mm)?

When DavidR measured the (fixed) main air jet on our USA carbs, the main air jet was considerably larger.

A #48 (0.076 inch dia) is too big and a #49 (0.073 inch dia) is slightly loose, it will wiggle just a tad.

0.073" = 1.85mm

[Alf]

Alf, are you sure your main air jet is a #45 (0.45mm)?

Sure. Well, I will measure when dismounting, but all the FJ series have fitted 45. I´ve been consulting the Yamaha parts codes