Testing Handlebar And Stem Tightness - Dynacraft MOUNTAIN BIKE Owner's Manual

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5. TESTING HANDLEBAR AND STEM TIGHTNESS

To test the tightness of the stem, straddle the front wheel between your legs
tightly (see Figures 26 & 27). Try to turn the handlebar back and forth. The
handlebar should not slip or move independently of the front wheel at all. If
the handlebar does move, re-align the stem with the front wheel and tighten
the stem bolt. Re-test to make sure the stem is secure with the same process.
To test the tightness of the handlebar, hold the bike stationary and try to
rotate the ends of the handlebar up and down or move the bar forward and
back. If the handlebar moves, loosen the handlebar clamp nut or bolts evenly
to re-position and then re-tighten. Repeat the test until the bars will not move.
Figure 26
WARNING:
To prevent steering system damage and possible loss of
control, the stem and handlebars must be properly adjusted and tightened. DO NOT
OVERTIGHTEN.
Figure 27
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