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jcooksey
11-12-2009, 06:45 AM
Anyone have any opinions on the complete Yoshi system as compared to the stock pipe? Also are there any adjustments that have to be made to the FI after installing a new pipe?
ATVMX33
11-12-2009, 08:07 AM
if the rest of the engine is stock all you will need is a crbm, which should come with the pipe..
overall i think its one of the best pipes..
also check out hmf and dasa
jcooksey
11-12-2009, 06:49 PM
What is a crbm?
kfx400rider03
11-12-2009, 07:28 PM
crbm(cherry bomb)

not to hi jack this thread but any opions on curtis sparks?
panici33
11-12-2009, 08:14 PM
Sparks are good but they're known to be exceptionally loud.
ATVMX33
11-13-2009, 06:23 AM
yeah, they yoshimura cherry bomp is a $40 piece that you plug in to open a new map..its a must..u can gain 6hp by just adding that and getting rid of the spark arrestor in the stock muffler
jcooksey
11-13-2009, 06:33 AM
I am not to quick on those abbreviations, a product of being old!
Springbok
11-14-2009, 04:50 AM
Please dont waste your time and money on a Yoshi RS5. I put a big bore kit in my K8 with the yoshi and had almost no gain.I then put my Dasa on and could feel a noticable difference. The low to mid range on a Dasa is very good,but the pipe is a bit loud!!