| Item | Description | |
![]() VEL-Y01S64-1515 $229.95 |
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![]() CRZ-EMU-100105k 4 pcs / $96 set |
NEW!!!! Factory Pro's own Discontinued by Yamaha (according to customer) - Factory Pro designed and produced new tubes that will allow you to fix that overrich fzr400 - |
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CRB-Y01-1.0 |
Adds more low-end / midrange, if the proper main jet is selected,
more top-end power. Easy to install and tune - no slide drilling! |
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![]() CRB-Y01-3.0
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Requires removal of stock airbox and running K&N or equivalent individual air filters. Otherwise, it is a drop-in kit. Low-end response is as good as, if not better than stock carb tuning. |
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![]() RTR-YAM-1 $54.95 |
This Factory Pro kit advances the timing 5 degrees. With stock engines with stock compression ratios, there is more power everywhere. Part throttle power is better - helping corner exit speeds. Improved in-town drivability. |
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![]() SHFT-PRO-YAM-1 $89.95 |
Make shifting MUCH quicker and virtually eliminate
missed shifts. This is exactly the same kit that Yamaha Racing has used.
Huge shift action improvement. :-) Marc |
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| COV-Y01-RH-KTSS $159.95 Billet Engine Cover |
RH Cover for the FZR400/FZR600, complete with steel "Skidz" cover insert. Absolutely the strongest cover you can buy - and has the highest strength / weight ratio available! Individual replacement cover parts available direct from Factory. | |
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ACM Kit and/or Rotor Alternator Removal Kit and ACM kit rotor only |
Removes 3.5 lb. alternator rotor (NO charging system) and replaces it with a total loss 8oz. trigger rotor, similar to Yamaha Race Kit unit. Not for street use. | $389.95 (cover set and rotor) $179.95 (rotor only) |
![]() TL-float height gauge $49.95 |
The only way to accurately measure float heights. Works on nearly every carburetor. | |

Carefully inspect carbs for needle
jet wear
Causes excess richness at low rpm that cannot be cured with
fuel level / float height changes. Visit
HERE
for needle jet wear information.
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Factory Pro / AMA Summertime Special! Book a sightseeing flight over the Wine Country or a Kamikaze aerobatic flight or a biplane flight over Infineon Raceway, the Golden Gate Bridge and the San Francisco Bay for one or two during the month of February and March and get a free souvenir t shirt! 707 938 2444 Northern California's most unforgettable flying experience. No experience required. Open weekends! |
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![]() Artisan Crafted Fine Cheeses – Since 1865 Specializing in Handmade Brie & CamembertMarin French Cheese Co., also known as The Cheese Factory and Rouge et Noir is not just the oldest cheese manufacturer in the country, but a vacationers and day trippers destination as well as a unique part of American History. Located north of San Francisco, east of Napa County, west of Pt. Reyes and Olema and south of Sonoma County, Marin French has produced hand crafted Artisan soft ripened cheese since 1865. Rouge et Noir cheeses are similar to French and European varieties but reflect the characteristics of Northern California, producing it's own regional style. |
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