Quote:
Originally Posted by Thumper
I set exhaust at ~0.006" and intake ~0.005"
Range that will work is more like 0.005 to 0.007" exhaust, and 0.004" to 0.006" intake.
I use these values for the Storm as well. Unless I find beleievable authority, these gaps are not too narrow.
If you have an authoritative reference otherwise, I would like to know.
Word is that exhaust valves get hotter and can tighten up, which can lead to blow by if the valve doesn't fully close. This is why the gap is ~wider. If the valve doesn't fully close, it can burn a gap and damage the sealing surface.
These are values measured in inches. My feeler gauge has both on them, so
for instance, 0.007" is 0.178mm
The conversion is simply multiply the inch value by 25.4 to get the final figure in millimeters. To convert, multiply the inch gap by 25.4 millimeters. Specifically, 1 millimeter equates to 0.0393700787 inches.
Please feel free to share you thoughts on these values. This motor runs GREAT at these settings, but I don't ride for long times- 30 minute sessions in the trails, with awesome performance. And the motor starts up instantly if I stall or temporarily shut down.
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.002 inch is what Joe Henner recommended to me due specifically to these being roller rocker equipped motors unlike the old CG clones.
I figure he builds these into race motors so I’ll take his word for it.
That is, when I get a chance to do anything lol.
I need to check my clearances, install the 4* key, install the 40 tooth sprocket, install the oil cooler, and remove the cat/replace with straight pipe.
Honestly Thumper et al I’m enjoying living vicariously through all y’all. Moving the homestead has been and continues to be a bear. I probably won’t have much time to wrench until winter.