Rave Reviews

Hey Stevo, thanks for building my son’s YZ112 Supermini motor. This thing rips and is super smooth...

 

 

WANTED: Your Cores

Got spent crank and / or cylinder cores?  We'll take 'em!  And we'll compensate you for any core we receive that can be rebuilt.  Get in touch and send or bring it on in!

Tech Tips

 Tech Tip #8

KX 250F owners beware.  Crank on the left in picture is a brand new OEM 2010 KX 250F crank.  If you compare it to the crank on the right you will see the crank pin was put in backwards.  This won't allow any oil flow to the connecting rod, hence TOTAL FAILURE!!  So if you are replacing the crank on any of your KX 250F's check to see that the dot on the pin is on the clutch side before installing as shown on the crank on the right.

Home > STR Products
YZ Parts

Custom STR Products

 

KX 85/100 Power Valve     KX 85/100 Billet Hardcoated One Piece Power Valve - $199.95
     Our latest product to enhance the operation and powerband of your KX 85 or 100.
     This one piece Billet 6061 Power Valve is hardcoated to 62 Rockwell with teflon
     added for supreme sliding action.  It also allows the exhaust to be completely open
     and free of all the bumps the OEM valve gives.  Kawasaki has had the same 
     sloppy/floppy ineffective power valve for years now.  We just couldn't stand it any 
     more.                       
                          

                                                                                                                                              Mikuni 32mm Flatslide                       

                                         
                                           Mukuni 32mm Flatslide Package - $525.00
Mikuni 32mm Flatslide installed   "Feed It"  Take your Super Mini to the next level.  An    overbored carburetor only gets you 
   so far.  You get a motified Mukini 32mm Flatslide carb with the necessary jets and a
   Motion Pro Vortex throttle housing and throttle cable.  Just install and feel the difference.

 

 

  

 

Power Valve Exhaust Chamber Cover

Powder coated Power Valve Exhaust Chamber Cover - $22.95   Sale $10.00
This flat cover will boost the mid range on any '95-'98 YZ 250.  Hardware included.
Gasket separate - $4.25

 

 

 

  

YZ Water Pump Impeller'93-'12 YZ 80/85 Water Pump Impeller - $99.95  Sale $70.00
If you have a YZ 80/85 with a plastic impeller (far left) the chances are very
good your water pump impeller is cracked and you don't know it.  After
selling Likewise, Fox Broadcasting Company has also dedicated an entire evening programming block to adult animation programs, known as Animation Domination. The concept of lesbian, to differentiate women with a shared sexual orientation, is a 20th-century construct. There is, however, no third party camera work involved. Dwarfs or midget pornography features performers who are dwarfs/midgets. Oral sex pornography frequently features a person performing fellatio, and less frequently cunnilingus. This stop and go build-up, known as edging, can achieve even stronger orgasms. Sadomasochism is practiced in isolation relatively rarely, though some masochists report biting, pinching, or even stun-gunning themselves as a prelude to, or as part of, masturbation. As of 2013, little analysis of this paraphilia has been reported in medical literature. The existence of such content in commercially available pornography is widely considered an urban legend. Omorashi: The act of holding one own urine until the need to urinate is urgent, making another hold in their urine, or watching another person with an urgent need to urinate. Normal quantities of ejaculate range from 1.5 to canadian pharmacy 5.0 milliliters . Sub-genres can also be classified into the characteristics of the performers or the type of sexual activity on which it concentrates, and not necessarily on the market to which each sub-genre appeals. Some women who engage in same-sex sexual activity may reject not only identifying as lesbians but as bisexual as well, while other women self-identification as lesbian may not align with their sexual orientation or sexual behavior; sexual identity is not necessarily the same as one sexual orientation or sexual behavior, due to various reasons, such as the fear of identifying their sexual orientation in a homophobic setting. Ass to mouth pornography shows the transfer of a performer penis from a second performer anus to that same second performer mouth in a single shot. Sometimes one or more fingers may be inserted into the vagina to stroke its frontal wall where the G-spot may be located. numerous stock OEM impellers, we realized something had to be done.
When the stock impeller cracks it gets hot and doesn't spin the way it should.
This causes overheating and possibly severe motor damage.  STR developed
a billet aluminum impeller to eliminate this problem.  You get peace of mind
knowing it is doing it's job. Don't take a chance!  It only takes about 10 minutes to
change and will save you money in the long run.

 


Rear Caliper Guard

Powder coated Rear Caliper Guard - $24.95   Sale $10.00

Will fit all '93-'02 YZ's.  Made from 6061 Billet Aluminum

 

 

    

 


Oil Line Guard

Oil Line Guard for '03-'05 YZ 450F - $29.95  Sale $10.00

 

 
 

 
 
 

   
Counter Shaft Guard

Powder coated Counter Shaft Guard - $44.95
CNC machined out of 6061 Billet Aluminum for '99-'11 YZ 250's

Limited quantities left 

 

 

 

 


 

Frame Guards

Frame Guards - $49.95   Sale $40.00
Black Poly Coated, Fits '96-'01 YZ 125's and 250's

Limited quantites left

 
Also available: 

Spacer Plate - $15.00
Modifies port timing and improves mid range for the '96 YZ 250.  Head mod required - $45.00

 

 STR Graphics 

 

Surf & Turf Racing Graphics for '96-'01 YZ's - $59.95 Sale $40.00  while supplies last
Surf & Turf Racing Graphics for '03-'05 YZF's - $59.95  Sale $40.00 while supplies last

 
 

 

We also have a large inventory of most genuine Yamaha OEM parts for '96-'11 YZ's - Give us a call!

 

 

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