Name: Buell 2007 LIGHTNING
Brand: Buell
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2007 Buell Lightning: Engine 3-81

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Reed Valve Replacement

NOTES

●

See Figure 3-117. The reed valve (3) opens on the

downstroke to relieve crankcase pressure and closes on

the upstroke to prevent vapors returning to the crank-

case. The curved reed valve stop (2) limits the movement

of the reed valve. See 3.13 CRANKCASE BREATHING

SYSTEM.

●

Whenever the gearcase cover is removed, the reed valve

should always be inspected for cracks, chips and break-

age.

1. Remove the fastener (1), the reed valve stop (2) and the

reed valve (3).

2. See Figure 3-117. To replace the assembly, align the

edges of the reed valve (3) and the reed valve stop (2) to

prevent premature failure of the reed valve.

NOTE

See Figure 3-116. It is not necessary to replace the reed

block (4) along with the reed valve. The block can only be

replaced after separating the crankcase halves.

3. With the lower part of the curve on the stop facing out,

Apply LOCTITE 222 (purple), install and tighten fastener

to 5-7

in-lbs

(0.6-0.8 Nm).

4. If it was necessary to replace the reed block, apply LOC-

TITE 222 (purple), install the fasteners and tighten to 25-

in-lbs

(2.8-4 Nm).

Figure 3-116. Reed Valve Assembly

1. Reed valve stop 2. Reed valve 3. Reed block

b1033x3x

Figure 3-117. Reed Valve Stop and Reed Valve

1. Reed valve stop 2. Reed valve 3. Stop screw

8759

8794

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Buell 2007 LIGHTNING Specifications

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