Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles
Issue link: https://magazine.cyclenews.com/i/126015
H ab r a ,
Mon oshoek Unit
Service
Y Z Mon o shock absorber
service. w e 'u set up your
moncsnock un it t o your
we igh t
a nd
damping
r eQui re m e n ts . M on oshoc k
un it re buil d ing. all Change
and n i troge n ser v ice . Parce l
p os t . U PS , b u s or a i r
freig ht. O n e d ay ser vice .
T he
CZ
for k
k its are
ava ilable b y ma il order.
tU sso n Kit N o. 1 - ne w
d amper s and sp ri ng s $29.95. Kasson K it No. 2
new da mpers. spr i n gs.
w i pers and seals - $4 3.50 .
B i ll Kasso n Y amaha. 1 6 0 7
S~
La mar.
A us tin . TX
78 704 .5 1 2-444 · 74 8 2 .
E.C. Porting and
Pipe-Blueprints
it
co m es
to
W hen
a
r a c in g
b u i Id ln g
t w o -st r o ke fro m a M R5 0
t o a 5 01 Maico f or MX.
Deser t . E nduro, ST, TT. or
R oad Ra c i n g I t ak e a ba c k
seat to no one . Man y o f
y ou h ave expresse d the
d esi re t o d o y o ur own
p o r tin g a n d p ipe b uild ing .
If yo u w an t t o beco m e a
h
t u ner o r m ove you r S o p
to be ing t he l o ca l ho t-ti p
r ac i ng Sh o p you will fi n d
my
ex pe rie nce
will be
c hea per tha n y o u r m ista kes.
F or m ore informa ti o n and
~~~I~:,t~n!~~t.'88 to ~~~~
For a listing here, write Cycle News, P.O.
Box 498, Long Beach, CA 90801 or call
(213) 427-7433 (ad dept.). Each individuallisting $100 .00 per year (50 issues).
SERVICES
P o r t i ng.
b o ring ,
w h ee l
Pe S &
Ht
laCi n g and t r Uing
Ser v ice . B SA
v a mana
BMW . M il n e Br o t n e rs, In c . ,
193~
E . Co to r aoo a rve .,
P a sd d e n a .
C A,
2 13- 79 3 ·~ 15 J .
Akront Rims
The
choice
0 1
c h a rn Ol o n \ w o rld Wi d e . W e
at A k r o n t n o w Ql ve you
mo re
s er e c tr c n s .
Th e
l a , qe'50t \t OCk a t r Im\ m e a ns.
w na t ever
y o u 'r e
IO t a
w E'V E
GO T
11, W he th er
11' s 14 " rim s far J etl Wara
o r 2 3" ri m s to ,
Iva n
M a ug ers.
aeser t ,
M Ol o Cr o s,;
fla t · tr ac k
Or
or
TT.
Ca fe 'r ac er
or
Ch o p pe r .
Spe e d w ay and all Sites fo r
the
rrum
b Ike s.
orde r in g
p lea se
y ear .
m ak e,
&
Writ e :
A k r on t
Wh e n
m c tud e
m o d el.
N orth
Ame nca n , PO Bo x 23 07 ,
Anaheim . CA 9 2 8 0 4 o r ,
p hon e :
1 1 4 · 9~ 6 · 2 !:J 5 0 .
Dealer In QU iri e S mvr t e d ,
Broken Studs
o 1 8 T ap ·E ...
2 5 W
Co m p.lny
144th S t. .
~. G a r d e n a , C A 90249 121 3}
32 3 -3 834 . B r oke n st u d s, e- ~
o uts , dr ill s , t aps , sc re w \ .
p in s, r e a m e n, Ins erts, etc .,
removed wit h o u t damolge t o
ho le o r
t h -l e Ol d 'i by
electr OniC d l iln te gr.J tl o n .
;; Crankshaft Rebuilding
F ac t o r y A u t h . Crank·
Sha ft R e b u il d i n g Ce n te r All Y a m aha cr anks rebu il t ,
spe c . In t w ins & r oad r a c~
In g cran k s. O r i ginat ors o f
" P/ R spec . " 250 & 350
street er ank . im pro ves ac ~
c e l erat lon & reliab il i ty.
Used o n o u r c tass w i n ners
at Laguna Seca Na t·' . &
A F M p ro 6 hr. road r ac es
two years runn ing. Roadr ac ing p ar t s In stoCk ; Fa i r ~
- way Pe r f o r m an ce Pac k ages
av a il. f o r all Y amahas ;
m onosh ock serv o c o mp le t e
Y amaha serv ice f ac ilities.
Fast UPS return o n all ser ~
vi ces . Deal ers writ e on l e t ·
t er h ead. FA I R WA Y RAC ~
IN G PRODUCT5
13 5 0 E .
Lat c c
CY Cle
Wo rk!..
283 J Juru oero, Slg ndl HIli .
CA .
213 ·.12 6 ·181 1.
P re .
m ac n ,
f Of
pe r f o r l1la n ce
enq . We soe c la h .l e In n o r In g
&
M icr o f l n l ~ h
S) .
h o n ing $ 8 . p or tlO g & high
c am p . he ad ~ . Cr an ks h a f t
rebUi ld..
C' oJ n k
Stu ff in g,
wh ee l lac lO g. t r Uin g & b oll .•
f or k tubes tu r n e d, fr am e
mod .•
m oun ted shOCks ,
s wm q a t m s
re n qt nn e d ,
rr arn es l o w e re d . e tc . • all en
he ad case eons & s t u u s,
n t aru u m b o l ts & sell toe a .
n u ts . c e - t . h ell ar c we td .,
also c om p le te r ac i n g e n q.
'd.
H ili c rest
Eng ineer ln'i1,
1437 N . M anzan ita. Un it
M,
Orang e,
Cali forn ia
9266 7.
(714 )
997·7865 .
XL 250/350 . Rotary valve,
and
p iston
port engine
m ad I f I c a tl o n s .
We
s pec ialize
In
porting ,
polish ing. pipe
bu lldlnp,
and carburetorfreed valve
conv ersions.
6 ~9
p.m.
Tues.-Fri .
Exh aust Prod ucts
BUild ing a 2 or 4 st roke
exhaust
syitem ?
We
fabricate cones t o your
speft
cs. butt·jolned. up to
21
l o n g . from 18 to 20
g4 . steel , spot ~tacked o r
completely
welded .
We
also carry a complete li n e
o f Me exhaust hardwu8 ,
bent
and
straight
Inc l.
tub ing.
b ra ckets. and
silencers. Whe ther you ' r e
building
1 p ipe o r a
t h o us an d , we can hel p y o u.
J pc~ sets S1 2 . 4 pc. sets
$14 ,
5
pc.
..ts
S16
(t a c k e d ) .
Qu a n t i ty
d iscounts ava ll~. e x h aus t
ha rdware
p r ic ing
on
r e q u e st . call o r write to : J
& R Expansion Chambers,
1 9 6 7 G I.... n 5 t .. Orange.
CA 92667. 714-998·6410.
Yorba Li n da B I •• Plac en tia .
CA . 71 4 · 524 · 12 0 5 .
2 1 3 ·6 20·9387 .
Cylinder Porting
Je rry Major Racing Co .
Route 2 . Box 765 B .
Hwy.
23
No.,
Eureka
Springs.
Ark .
72632 .
Phone :
501·253·8340.
Your cylinder ported
any racing app lication .
for
Engine Building
T . C R aCing E n t e r pri ses ,
10704 M ol he r al . AU 'itlM ,
TX
(51 2)
83 7· 3 1 11 0 '
38 7· 7 5 23 . Spe CialiZIng 1M
c r an k b al an Cing . cy l inder
an d
, le ad
p o rt i n g , "h o t
magnerlux lng,
p e e n ln9.
bloc k surfac in(j1 and va lve
repla ce m e nt,
se a t
S pe CialiZ Ing In X R 'i , al'iO a ll
o t he r m ak es and m o d els .
Pr ompt mai l order ~rvlc e .
. B S A
&'
Mon o sl l o c k
Y ol m a h ol
S e r vi c e .
Expansion Chambers
Gett in g b e a t '
Sta rt
smoki n g w i t h the B o n e ' s
Smoker
E ko .a n S i o n
Ch a m ber . M ade to o r d er .
Comp le te go f a st iervice ' or
motocross r ide r s, racari.
and dirt b i ke s. Por t i ng ,
tr afne m OOl fl Catl On s. c y n o
luning. and fra m e lowe r i n g
k lt i . M a ll o r d e r. Bo n e' s
C y C l e S e r v i c e . 23 1 0
M eadowlar k SI ., S.Jn Pabl O.
C A 9 4 806 . 4 1 5 · 7tl 8 · 2 84 3 .
Fram es
e M S P r od u c t s In c.•
2 13 4 O ld Mid d le fi el d W ay .
M oun t a in View . CA 9 4 0 43 .
41 ~ · 9 61 ·2 4 46 .
R aCing
Ir a me s f o r f la t t r ac k an d
mo toc ross.
o r ki n g b y F ran k
94~
Pit n er A ve. • Evan st on . I ll .
6 02 0 2 .
3 12 · <7 5 · 1 0 03.
Fo r k
t ub e i
d nd I r on t
SUi pe nilo n co m pone n ts ' o r
any cyc le In an y length .
S p r Ings, co lla r s. cro w n s,
t ree s, bra ce s, k l cks tolnd ~,
SPfl n 9 c o n v er SIOn lo t S.
..
H o n d a e x te n de d cab lei . e t c .
We m a k e a gua ra nt eed tub e.
3 0 5·7 37·6 917.
Da y
or
ni 9ht.
Porting & Boring
Ed
Pa tten ' s
Cyl inder
C lin ic - PO Bo x 5 3 4 . Deer
Par k . T X 7 7536 . Phon e :
713 ·4 7 9 · 7 2 3 7 .
Y o ur
c y li n der porte d for t r ac k
o r street - also precis ion
bori ng. 6 years e xper i en ce
o n p orting and bor i n g.
Sleeve Liners
L os Ange l es Sle eve Co .
M a nufJ c t u le r S o f
mo t o r cyc l e c y lt n Cl er Sleeve
n oe rs . Dea ler s w r ite o r c .all
f or ca t alog . 3 6 0 0 F o wler
sr, L o s A n gele~ . C A 9 00 63 .
2 1 3· 26 2 ·1 8 9 5.
Easy
Clr iv er
Im p ac t .
Q ua li ty t o o l s, u ncond i tlon ~
ally
gua ra n t eed .
S li m
design. ligh t weig h t . an d
rugge dly constru cted . L ess
for c e
neeessaev
f or
loo seni n g
or
tigh te n ing
scre w s. Preci sion b its. S Old
o n l y t h ro u gh moto rcycle
dealers and parts h o use s.
1.1. rnc., Box 9 9 2 . New
Braun fe lS, Te xas 781 30.
Steel Shoe
Insurance
Insu ra nce
Ev ent
Co m ple t e
m o r orc v c te
eve nt
LIABILI T Y
and
MED ICAL p r o tection. Ca ll
today ;
T OM
or
w ri t e
ALLR EAD
E.
v .n.,
BRQQ X RANDALL , Inc.,
1132 N . V inc, L os Angele s,
CA 90 038 . ( 2 1 3 ) 4 6 2 -2111
E xt. 2 50 .
Motor CYCle s & M o t or ·
eye I e
Dea le r
Pac ka ge s.
LO W RATE S. Sp e c ia l ii t s
Cal i f or n ia
SI n c e
1 q3 7
I n sur an ce .
So uthwe ste rr.
Motor
A ve . .
L Oi
34 47
A n ge le s, C A 900 34 . (21 3)
8 36 ·5 2 11
0 '
994 ·0 0 8 0 . Wr ite or
(714)
call.
Leather Apparel
C u s t o m
Ma d e
M otor cy cle A p pa rel
Num b er
chang es .
a lt e r .l t I o n s a nd ZIP pe rs
repla ce d . Cla r ic e AmDerg
AB C C u s t o m
L ea t h e ri .
9 8 0 2 S . l\t l an tl C A ve.•
South G .H e . Ca lif . 9 0 2 8 0 .
Phone : 2 1 J · ~6 4 ·1 7 15 .
O p en 8 a . m . t o 4 : 30 p .m .
t hru .
F , •.
By
M on .
a p P Oi nt me n t o n l y
S a t u r d a y . E" e n lng
ap POIMt men15 available .
C U S T O M L E A f H E HS
Super ior quality
t ra il
ri dl n Q
or
pro
line '
compe tit ion
motocross
leatl''!ers. custom Jersey s,
BW Valero or f o ur buckle
r ld in~
belts. road ri di n g
Jacket s and pants. Free
literature on request t o B ill
Wa lters
Leathers.
7359
Varna
Avenu e.
North
Hollywood.
CA
91605 .
Open 8·5 Monday~Fr iday
f o r f i t ti n gs. 213-98 2 ~3738 .
Boynton
B eaCh ,
F la.
33436.
P h one
3 0 5· 7 3 7-6 9 1 7.
D ay
or
n ight.
H e r m' s
L ea the r t o gs
C N .
70 1
N o rtha mpt o n S t •• Easton,
Pa.
1 8 0 42 .
Ph one :
215·25 3·367 1.
Sn oes
cu sto rn m ade to
or d e r . $4 0 . 0 0 , al so 14 '·
$4 5 .00.
l ac e u p b oo ts .
Sen d b o o t o r Ca rd b o a r d
p atte rn . spe c i fy i ng
boot
toe nercn t , R o u t e
Bo x
/5 8 ,
8~30
B edf or d
C o ro n a . C A
M otor w av.
9 1720 . 11 4 -7 3 5 -0 5 4 0 . D u
se t ne f o r a cnc a n
no t
rrrut atro.n 0 1 my pr o d u ct
.a.
P r o tess tona r QUality stee l
sn oe s ' or a ll ty p es o f d i rt
trac k r ac IM9 - $35.0 0 . To
O r d e r se nd y o u r b o ot or
c u t out
p a tt e rn
o f So le,
I sp ec i fY in g b o o t t oe h e ight.
to : Jen k i n s H o t Shoes. PO
B o ",
75 1,
N orco ,
CA
9 1 76 0 . 7 14 - 73 5· 0 7 2 5 .
Stripped Threads .
T lme ~Sert Is the fin est
t h r e a d repa ir system
available • . Easy to i n st all ,
self l o cki n g ano very
perma n ent . Some users
are:
Kawasak i, Yamaha,
Honda , Can~Am. Donovan
Eng .,
Ke ith
BlaCk.
McCu lloch Motors. and
others. American & metric
th reads. "T ime Fastener
Co •• 2428 Rosemead B lv