I´m going to race our SRV in ovals this season. Just bought a DRE single pipe for it.
My brother will race the Vmax 540 on the ovals too.
Need jetting specs where to start. + other info about oval racing. Neebia on that type of racing.
help a buddy out!
Ike
My brother will race the Vmax 540 on the ovals too.
Need jetting specs where to start. + other info about oval racing. Neebia on that type of racing.
help a buddy out!
Ike
montynormand
Member
Cool looking sled you have there!
You seem to have wide front with swaybar. Is that stock tunnel and skid?
I think our rules don´t allow (or the swedish rules, since we are racing in our neighboring country) that much modding.
What year SRV you´re taking out to snocross?
Ike
You seem to have wide front with swaybar. Is that stock tunnel and skid?
I think our rules don´t allow (or the swedish rules, since we are racing in our neighboring country) that much modding.
What year SRV you´re taking out to snocross?
Ike
montynormand
Member
only modification to the chassis was to widen the front to 40 inches. Stock skid, with the front shock removed the the rear arms shortend. The factory sway bar had to be streached to work with the wide front end.
This vmax 540 races in our 600cc '92 and older sportsman class. Stock carbs and exhaust
I am going to run a '80 SRV. I would like to find a set of '83 or newer cyclinders and heads for it.
This vmax 540 races in our 600cc '92 and older sportsman class. Stock carbs and exhaust
I am going to run a '80 SRV. I would like to find a set of '83 or newer cyclinders and heads for it.
montynormand
Member
here are our Rules:
SPORTSMAN 500 & 600 Rules – ’92 and older standard production models No Limited-Production high-performance sleds
ENGINE – Engine brand must match chassis brand. For availability Polaris may use later 600cc piston port triple mono-block engine. For
competitive reasons Arctic Cat may use later 580cc engine. No external modifications. May bore .040” over stock bore.
CHASSIS – No modifications except, Yamaha cross-members may be modified to meet 40” rule, Polaris and Cats may be modified to accept laterallowed
exhaust and engine, windshield may be altered or removed, headlight may be removed, reinforcing allowed, dash and unnecessary brackets may
be removed. Stock OEM hood & belly pan.
IGNITION & EXHAUST – Stock OEM for the engine.
CARBURETOR – OEM for the engine, original size. Air box may be removed.
CLUTCHES – Any OEM primary. OEM for the brand secondary. No roller secondary.
CHAIN CASE – OEM for the model.
FRONT SUSPENSION – 40” maximum width between carbide centers. Springs, shocks, sway bar & link, radius rods and tie rods may be changed but
must fasten to stock locations on bulkhead/tunnel. OEM for the model trailing arms, which may be modified to accept shocks, sway bar link and rear
perch. 2.5” minimum travel at front of bulkhead.
REAR SUSPENSION – OEM for the model components only, except any springs, shocks, and limiters. Components may be moved, removed,
relocated, and modified.
TRACK – OEM or OEM replacement (width & length) rubber track in good condition. No racing (R) tracks.
DRIVESHAFT & JACKSHAFT – Steel, OEM for the model.
SKIS, STEERING, SEAT, FUEL TANK – Any
SPORTSMAN 500 & 600 Rules – ’92 and older standard production models No Limited-Production high-performance sleds
ENGINE – Engine brand must match chassis brand. For availability Polaris may use later 600cc piston port triple mono-block engine. For
competitive reasons Arctic Cat may use later 580cc engine. No external modifications. May bore .040” over stock bore.
CHASSIS – No modifications except, Yamaha cross-members may be modified to meet 40” rule, Polaris and Cats may be modified to accept laterallowed
exhaust and engine, windshield may be altered or removed, headlight may be removed, reinforcing allowed, dash and unnecessary brackets may
be removed. Stock OEM hood & belly pan.
IGNITION & EXHAUST – Stock OEM for the engine.
CARBURETOR – OEM for the engine, original size. Air box may be removed.
CLUTCHES – Any OEM primary. OEM for the brand secondary. No roller secondary.
CHAIN CASE – OEM for the model.
FRONT SUSPENSION – 40” maximum width between carbide centers. Springs, shocks, sway bar & link, radius rods and tie rods may be changed but
must fasten to stock locations on bulkhead/tunnel. OEM for the model trailing arms, which may be modified to accept shocks, sway bar link and rear
perch. 2.5” minimum travel at front of bulkhead.
REAR SUSPENSION – OEM for the model components only, except any springs, shocks, and limiters. Components may be moved, removed,
relocated, and modified.
TRACK – OEM or OEM replacement (width & length) rubber track in good condition. No racing (R) tracks.
DRIVESHAFT & JACKSHAFT – Steel, OEM for the model.
SKIS, STEERING, SEAT, FUEL TANK – Any
I like your rules. Just wonder why Cat and Poo are allowed to run newer motors? Is it to make things more equal on racing circuit? Damn..
I see that age limit is ´92 there. Does anyone run Vmax-4 in the bigger class? Or is there a bigger cc class?
We have found out that SRV runs much stronger with the air vents open in the belly pan. Atleast in the speedruns... Just a tip for you..
But in snoX I think one should keep them closed to avoid snow getting in to the engine / clutch.
Ike
I see that age limit is ´92 there. Does anyone run Vmax-4 in the bigger class? Or is there a bigger cc class?
We have found out that SRV runs much stronger with the air vents open in the belly pan. Atleast in the speedruns... Just a tip for you..
But in snoX I think one should keep them closed to avoid snow getting in to the engine / clutch.
Ike
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montynormand
Member
600cc is the largest class where I race. They are trying a new 440cc class for the '07 and older factory sno cross sleds. Now that the sno cross stuff is bumping past 440 to 600cc, they think there will be some sleds that will leave and try some ice ovals
that should be interesting as well
that should be interesting as well