Riff:
   F 
E|-----------1-1----------|
B|-------1-3-----4-3-1-1-3|
G|---2-2------------------|
D|-3----------------------|
A|------------------------|
E|------------------------|
In the intro the riff is first played by the bass then bass and guitar together.
The guitar and bass  play the riff at the end of lines 1, 2 and 4 of each verse. 
The bass plays the same riff up a fourth at the end of line 3.

Intro:

C  Bb  F

#1
F                                     
Well, I got a girl named Boney Maronie  [riff]
F                                           
Well, she's as skinny as a stick of macaroni [riff]

Bb     
Oughta see her rock an' roll with blue jeans on
F                                     
She's not very fat just skin and bone [riff]
C                      Bb
Well, I love he-ee-er, she loves me
C                   Bb
Woah, how happy now we can be
       F                              
Making love underneath the apple tree [riff]


#2:
F                                              
Well, I told her mama, and I told her papa, too [riff]
F                                     
Well, just exactly what I'm gonna do [riff]
Bb
Get married on a night of June
F                                     
And rock an' roll by the silvery moon [riff]
C            Bb
Well, I love he-ee-er, she loves me
C                   Bb
Woah, how happy now we can be
       F 
Making love underneath the apple tree [riff]


 Instrumental

F  Bb   F   C   


#3
F  
She's my one and only, she's my heart desire [riff]
F 
She's a real upsetter, she's a real live wire [riff]
Bb
Ev'rybody turns when my baby goes by
F                       
She's somethin' to see that really catches the eye [riff]
C            Bb
Well, I love he-ee-er, she loves me
C                   Bb
Woah, how happy now we can be
       F
Making love underneath the apple tree [riff]