z
o
in
II:
W
o
z
II:
II:
w
o
>
CD
- .... .... ...... - ... ..
- ...... ........ .... .... ...
.....
.....
......
... ... .... ....
.... ....
.,. .....
- ..... ..... ..... ....
....
.....
o
fo
MOREI USABLE .,.., ,'1:,. -.
.......
PERIDRMANCE ..... ,... .....
......
IS.'
.,..,
:J:
c..
Hp
50.0
40.0
20.0
Forgive us for
sounding so bold.
But it seems with
so many manufacturers offering
what they consider
the best perform ing
_
_ _
:-...~
.
'pipes on the market
tocla y, we decided to push all the endorsements a nd
nationa l titles aside and let .the toughest critic
compare the facts and figures.
(Hon ),
250 : 1. Chad Bart h (Hon); 2. Doni Hol eman (Han): 3 . Dan
Cart er (Hen); 4. Dana McNe illHonl.: 5. Rex Tassart (Hon) .
400: 1. Terry Adams (Yam): 2. Robert Colli er (Hon): 3.
John Brinker (Han ): 4 . Peter Barn osky (Hu s): 5. Tom Sutton
(Yaml.
500: 1. Aaron Crockett (Ru); 2. Rob Collins (W·RI: 3.
Jim Hin thorn ((Han); 4 . Eddie Hieden (Hon); 5. Chip Perry
(Yam) .
SA: 1. Les Eslin ger (Yam); 2. Gary Brennan (Yam); 3.
Robert Collier (Hon ): 4 . Geo. Collin s (Hon); 5. David
Sta nfield.
I
3~ .7
COMPLETE PERIDRMANCE PAW.S
.ANII JCaSSDIlIES
PSI engine kits, parting, carb
and head mods are custom
ta ilored to fit your personal
needs and application. Each
PSI AllII THE IIYIIO
engine receives the professional
PIlII1T THE 'ACTS
attention for the best results. Performance, reliability,
Equipped with an in-ho use Superflow Dyno, PSI experienced technicians a nd the Superflow Dyno. They
R&D technicians rolled in a box stock 1989 RM
a ll add up to one thing. The best
250 with four of the most popular pipes on
perfo rrnonce prod ucts available today.
the market to compere actual horse power
ORDER NOW!
1 - curves with each pipe installed. The
'
VISA/MASTERCARD ACCEPTED
I " results were startling! The new
. ~......
SAME DAY UPS. DEALER WElCOME.
S
PSI Nick.1 Plated Pipe came
~/. out on top with an amazing
3.2 H.P. more than
the nearest competitor! One pipe
actually decreased performance
Send $2.00 for our
below stock by 2.2 horsepower!
exciting new"catalog
PSI out-gunned and out-reved
pocked with complete
information about our pipes,
the competition by nearly 1000
engine kits, and accessories. .
rpm's to produce a stronger,
·broa de r, exciting 45.4 H.P. at
9000 rpm's. The dyno prints
no
the real facts.
(414) 787·2430
PSI PEIlJDIIMAIICE.
Anythi", else is
.,,.';II1II.
PSI. INC' RT. 2, 80X 309 • WILD ROSE. WI 54984 • (414) 787-2430 • FAX (414) 787-3764
VINTAGE MAICO
NIKS MX PISTONS
Fiberglass Fenders
Down Pipes
Tank Stickers
ReSu lts
{Rtx,
.~,
.-
'H- I
15.0
3 . Randy Sm ith (Yam).
50 : 1. Jerod Moore (Yam); 2. Tyter Ma nley lYa m ~ 3.
Jimmy Ragsdale III (Yam); 4 . Dale Ainslie !Yaml .
60 : 1. Darr in Belcourt (Kaw); 2. Beau Ma nley (Ka w ); 3.
Joshua Currey (Hon); 4. Jerod Moore (Kawl.
80: 1. Neah Kirkta nd (Kaw ); 2. Jeremiah Port er (Hon);
3. Josh Welsh (Kaw ); 4 . Jason Burchett (Kaw); 5. Kart
Schenk (Kawl .
125 : 1. Dw ight Parker (Hon); 2. Ryan Anderson (Hon);
3. Je re miah Porter (Han).
250 : 1. Ryan Anderson (Hon); 2. Steve Power (Yam); 3.
Brian Welch (Yam); 4. Tim Ball (Hon).
OPEN AM : 1. J.P. Simon sen (Han ); 2. David Anderson
(Kaw l; 3. David W ell ander (Yam); 4 . Todd Risner (Yam).
+30 250 : 1. J im Roseth (Hon); 2. Craig Kanen {Suz); 3.
Si eve Power (Yam); 4. Brian We lch (Yam);
+30 OPEN: 1. M att Holm fBSA ): 2. David And erson (Kaw);
3. Steve McCauley (Rtx); 4. M ike A insl ie (Hon).
+40: 1. Sonny Bur res (Tri); 2. Ray Carroll (Tri); 3 . Dan
Kirk (Honl ; 4. Bill Fagg (Honl .
V1N SGL: 1. Marc Melcher (Yaml; 2. Gso 'lle Tippet (Bul);
T
3 . Chr is Mon ge (C-A ).
V1 TW: 1. Sonny Burr es (Tri); 2. Ra v Carro ll (Tn); 3.
NT
Rod Estes C
BSA); 4. Jim Krist (Tril.
PRO AM : 1. Joel Hu sky (Han); 2. Jeff Annen (H·D); 3 .
J eff Kirkl and (Yam); 4 . Gra nt Dishon (Hon); 5 . Jo h n
Whjfmore {Yam).
250 SEMI PRO: 1. Speedy Kell (Honl ; 2. J .P. Simonse n
(Hon); 3 . Jeff An nen (Hon).
JR / EX: 1. Joh n Wincewicz (Tril; 2. Randy Roose (H·O);
3 . Marty Zirbe l (Hon); 4 . Speedy KeU (H. D); 5. Rex Fisher
' • •6
~
.,~
2 5.0
65 : 1. Shane Garr ison (Kaw ); 2. Qu int Esling er (Yaml ;
3 . Randy Smith (Hon) .
80 : 1. Chr is McNutt (Yam); 2. Shan e Garrison (Yam).
12 5 : 1. Josh Butler (Kaw): 2. Chad Barth (Hon); 3 . Danny
Dotson (Yam); 4 . Steve Hall (Hon); 5 . David Stanfield (Kaw ).
200: 1. Chad Butl er (Kaw); 2. John Lambr ick (Kaw l; 3.
Matt Coll ier (Sur) ; 4. MarkAugenstein (Honl:.5. Mike Colli er
By Derryl Anderson
,'1:0
.U
1.5.1
14.P
. ..0
'6.6
This cha rt represents
17 . 1
1.5.0
15.6
'6.5
'L> 20.2 ,
" .I'.' . ..2
52$4
19.6
. .0
a side by side
24.. 22.9 .7.5 19 .9
5754
2 7.6
'5.7
27.6
....0 29.'
6000
comparison of how
27.'
2'.9
22.7
6....
29.6
....6
31.3
33.7
29.2
the different pipes
, ".6, , 29. ' .
67..,
n.' . ..5
7000
22.S
72.., 37.a u .! 60.0 29..
affect performance
7_
.... t
4' .7
4' .2
77.., 26-2
3 7.9
' .2
... 42.7 429-" "'.2
throughout the rpm
.,.0 .,
"'.9
41.0
U50
25.2 42.4
uoo "'0 u.a ...7 06.7
29-"
range. The PSI
.., " .7 2$.7 .... 1 2 7.6 ..
Nickel Plated Pipe ' 92$0
. .. 7
••.5
not only delivers
the highest horsepower ratings, it also de livers the best
torque and horsepower throughout the entire powerband. Another dyno fact. All PSI pipes produce
performance that not only out-acce lerates the
competition, but slingshotsyou out of tight berms and
low rpm corners faster than the competition! We sell
products based on fact . . . not endorsements.
~
30.0
M ONDAY
50 : 'l . Shannon W righ t (Yam); 2. Ju st in Filson (Yam):
CASTLE ROCK, WA. MAY 28
Lou Kinn ish /Bell H elm ets-b ack ed J ohn
Win cevvicz won a wil d Junior / Expe rt main
even t a t the Castle Rock Fairgro unds while
battling tooth and na il with Randy Roo se.
In the firs t hea t race w in cewica go t the
bol esh o t a nd went wire-to-wire while holdi ng '
01£ Del Schn itzer, Jell H ia tt , Don Wil son a nd
the o thers .
Randy Roose took control 01 heat two bu t
the real actio n carne o n th e final lap wh en
Speedy Kelllost h is ch ain co mi ng o ut 01 tum
four and star ted running tow ard the chec kered
n ag while pu sh in g his bike. Un lort una tely,
Troy Yeo a nd Chris Sta ley just bar ely bea t
Kell . Behind Kell was Pat Mun yon. Troy Rose
a nd Don Paul.
Fresh orr a big win the pr evious n ight was
Rex Fish er on hi s Dav e Byrd/ Sh oe ilD's
Lea thers/Max im a Wood Rotax a nd he wo n
heat three over Rick H en son, Kevin Bass, Kit
Farley a nd th e others.
In th e main even t Win cew iCl got th e scrat ch
a head of Roos e, Fisher, Hen son, Schnitzer,
Kell and the rest . Win cew icz and Roos e battled
th e entire race, ha ll th e time sid e-by-side. The
crowd went wild as Win cewicz linally pulled
ah ead lor good. Ri ght behind th e du el Zerb el ,
Kell. Fisher a nd Sch nitzer were super d ose
but th eir positions rem ained th e same. At th e
finish it was Win c:ewicz, Roose and the rest
of th e class.
Mu lt i -t i m e G ra nd Na ti onal Am at eur
Champion Ryan And erson swi tch ed to 250s
this year and took th e heat race and main event
wins in th e hotly con tested 250cc Am at eur
class. Elect ro Racing/ Arai /Blenzall/Long·
view Honda/Qual ity Machine-ba cked And erson was ch ased all ni ght by Steve Power and
Brian Welch . Behind th em was Randy Hat ch.
Tim Ball and th e o thers.
In the popular Plus 40 class Ra y Carroll
got th e holesho i in th e main even t lollowed
by So nny Burr es, both Lo u Kinnish spo nso red
o n Triumphs. Carroll looked great lor five
laps and then Sonny slid under him co m ing
o u t of turn four and went o ut to a good lead.
Close behind was Dan Kirk , Bill Fogg a nd
the others.
,'r.7
".5
1.5.6
$$00
35.0
W;ncew;cz wins
Castle Rock IT
15 .2
'04.5
16.9
45.0
Speedy Kell w on the 2 50 cc Sem i
Pro class at the Cast le Rock TT .
.'1:.
,'r.7
13.6
Manufactured by fPfflJ@orcfflJ@~~
AU TOP QUAUTY
o
\"\usU,,-a.{
These HI Performance pistons
are manufactured to the latest
original equ ipment specillca"tlens to Insure quality equal to
or better than original . equ ipment.
~ CYCLE A._
SERVICE -~aO
1244 N. Gaffey St.
San Pedro, CA 90731
(213) 548-6874 Ups Dally
For all the latest models of
80cc, 125cc, 250cc "and 500cc
In sizes from standard to .060
ove rsize .
_-" nt Ad info rm. t ion - (2 1 3 ) 4 2 7 -7 4 3 3
W.
OPEN 6 DAYS
GSXR-750 SALE I
··We Will Not Be Under Sold!"·
~
~
Bert's Motorcycles
900 W. Foothill Blvd .
Azusa. CA 91702
(818)~1288
•
Call or write for your free catalog and decals-
NIKS DISTRIBUTING - IPIfiJ@g);{
8311 Chetle Ave.,. Santa Fe Springs, CA 90670
(213)693-2746
31
