Company Products Locate Dealers faq Links Contact Us
· To order through the mail using our mail order form click here.
· Phone Orders:
320-983-5410
· What is Atomization?
· Harley-Davidson MC
  - CV-40 Master Kit
  - CV-44 Master Kit
  - S&S B, E, & G Kit
  - MIKUNI HSR 42 & 45
  - TC Ram Charger
· Snowmobiles
· Jets
· Tools
· Promo Items
· Web Specials
· Guarantee/Disclaimer


Products > Motorcycles > CV40
To determine what shipping costs are, add the desired product to the shopping cart and it will give you our shipping options.
Yost Pro Mod Breather (Breather Bracket w/screen)
Click image to enlarge.
Our bare bones breather kit includes a breather bracket, which features a hidden internal vent, a mini velocity stack and chrome finish . Also Includes a screen to keep large particles out of your engine. (Satin finish shown)

Fits 1993 - 1999 Evolution Big Twins (except fuel injection).
1999 - present Twin Cam Big Twins.
2002 - Present Twin Cam Big Twins with Delphi fuel injection.
Yost Pro Mod Breather (Breather Bracket w/screen):   YMPB   $138.95
Quantity Desired:


Yost Pro Mod Breather Kit (TC88)

The Yost Pro Mod Breather kit is designed to be modular, by allowing you to have a custom look and add an extra 2+ horsepower. This kit can be used with an air filter and your stock cover, or with out an air filter by using the screen (included). Machined from solid 6061 T6 billet aluminum with a unique internal breather design (no more hoses ).

Includes all the necessary hardware for easy installation.

Fits 1999 - later Twin Cam Big Twins with carburetor.

2002 - present Delphi Fuel injected Twin Cam Big Twin

Click images to enlarge.
Parts Completed
Yost Pro Mod Breather kit (TC88):   YMPTC   $245.95
Quantity Desired:


Yost Pro Mod Breather Kit (EVO)

The Yost Pro Mod Breather kit is designed to be modular, by allowing you to have a custom look and add an extra 2+ horsepower. This kit can be used with an air filter and your stock cover, or with out an air filter by using the screen (included). Machined from solid 6061 T6 billet aluminum with a unique internal breather design (no more hoses ). Includes all the necessary hardware for easy installation.

Fits 1993 - 1999 Evolution Big Twins (except fuel injection)


Click images to enlarge.
Parts Completed
Yost Pro Mod Breather Kit (EVO):   YMPE   $169.95
Quantity Desired:


Yost Chrome Covers

Yost chrome cover (YCC)
Replace your stock plastic carburetor top cover with the Yost chrome cover. Machined from 6061 T6 Billet Aluminum, polished to a high luster and chrome plated. Fits all CV40 & CV44 Carburetors 1988 - present and all carbureted Buell’s.

Yost chrome cover w/ bracket (YCCB)
The only chrome cover featuring a choke cable bracket for a custom look and easy choke operation. Machined from 6061 T6 Billet aluminum, polished to a high luster and chrome plated. Fits all CV40 & CV44 carburetors 1988- present and all carbureted Buell’s
Click images to Enlarge
 
CV40 Chrome Cover:   YCC   $52.95
Quantity Desired:
 
CV40 Chrome Cover w/ choke bracket:   YCCB   $57.95
Quantity Desired:


Pro Power Tube for Mikuni HSR 42 & 45

MHSR - Kit comes with CV Style Jets


Click images to enlarge.
MHSR-M - Kit uses Mikuni Jets that are not included.


Click images to enlarge.
Pro Power Tube for Mikuni HSR 42 & 45:   MHSR   $61.95
Quantity Desired:
 
Pro Power Tube for Mikuni HSR 42 & 45:   MHSR-M   $56.95
Quantity Desired:


CV-40 MASTER KIT - REV 1 Yost Power Tube
It fits all H-D CV Keihin carburetors:
1988-later Sportsters & Buells
1990-later Big Twins
1999-later Twin Cams

Each kit come complete with the emulsion tube, yost power tube (press fitted into the emulsion tube), Blue and Red needles, 1/8" drill bit, 7/64" drill bit, compression spring, 165, 175, 185, 195 main jets, and washers. Need more jets?

Instructions     FAQ
CV40 REV 1 w/ Free Slow Speed Jet:   PTR1   $104.95
Quantity Desired:
 
CV40 REV 1 w/ Free Wrench:   PTR1W   $104.95
Quantity Desired:
 

Home | Company | Products | Locate Dealers | FAQ | Links | Contact Us

© copyright 2003 Yost Performance Products, Inc. All rights reserved.
Website Development by: Thunderbike Web Solutions, Inc. and NEOVIZION, Inc.
powered by iPowerWeb