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Yamaha cylinder boring & honing: You supply the pistons and your cylinders

 

 

TWIN CYLINDER MODELS: $150.00 a pair

R5 - RD350 - RD400 - RZ350 - YDS1 - YDS2 - YDS3 - YDS3C YDS5 - DS6 - DS7 - RD250 - YD1 - YD2 - YD3
YM1 - YM2 - YR1 - YR2 - YR2C - R3 - YCS1 - YAS1 - AS2C - CS3 - RD200 - TD1 - TD2 - TR2 - TR3 - Banshee - YFZ350

SINGLE CYLINDER MODELS: $75.00 ea.

YL2 - YA6 - L5T - HT1 - AT1 - CT1 - LT2 - LT3 - DT100 - LTMX - MX100 - DT125 - CT2 - DT175 
MX175 - DT1 - RT1 - DT2 - DT250 - MX250 - RT2 - RT3 - DT360 - MX360 - SC500

OTHER MODELS NOT LISTED  35mm (1.375in) - 73mm (2.875in): $$ Email for price

 

   I don't sent send your cylinders out, I bore them right here on a Kwik-Way boring bar, then hone them with a Sunnen hone.  

Some people don't realize, on two-stroke cylinders it is necessary to chamfer the port edges.  

Rounding of the sharp edge prevents premature wear on the piston and ring assembly. 

It doesn't remove a lot of material, just enough to break the sharp edge.

I do this on every bore job!

 

NOTE: Always wash cylinders in hot soapy water.  Laundry detergent or Dawn dishwashing liquid and a scrub brush work great for the final cleaning of a freshly bored and honed cylinder. After you clean and rinse the cylinder, dry it quickly and then get a clean white paper towel with oil on it and use it to lubricate the bore. If the towel comes out of the cylinder, when you're done lubricating it, with any traces of black or gray then the cylinder needs to be cleaned yet again. When properly cleaned the white paper towel with the oil on it will look the same color on removal as it did when you put it into the bore. 

THIS IS VERY IMPORTANT!!




 

 

 

 

 

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