My big yellow Safari Tank had broken its aluminium brace once again.
Time to get serious and use some real steel.
It fitted well enough, with no sideways movement.
Doesn't seem to vibrate anywhere near as much either.
While the tanks off I might as well do the tappets.
Not a major job, but you can't afford to get it wrong.
Remove plug. Find Top Dead Centre on the compression stroke.
Both rockers and valves should be closed. Align the timing mark in the view plug.
Get your feeler gauges out and check the clearance initially.
They may not need adjustment at all.
Crack the locknut carefully.
Adjust the square head screw with the feeler gauge between the rocker and valve.
Valve clearance (when cold):
IN.: 0.08-0.13 mm (0.003-0.005 in)
EX.: 0.17-0.22 mm (0.007-0.009 in)
Its should slip between them with some resistance.
Be sure to tighten the locknut properly or things could get messy up there.
DR650.Zenseeker has all the details here> DR650 Zenseeker
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