Bill,

two suggestions on cause of bucking on deceleration:

-timing is off or more likely - hall sender on distributor is cracked or going bad
-trany is really loose somewhere in those gears and deceleration accentuates it
-you need to downshift out of 4th gear when below 4000 rpms : )

Karl

On Tuesday, July 07, 1998 6:55 AM, William Carden [SMTP:wpcarden@HOME.COM] wrote:
> We got a new 87 Westy Gl this weekend, runs good ideals good. When
> decelerating between 2000 rpm. and 1500 rpms. it bucks wildly.  I check the
> compression 118,128,140,135. Change the plug wires which I had, the local
> parts store was close for the forth so I couldn't do anything else.  Any ideas
> where to start.
> thanks Bill