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I have an o2 superset and want to lower the pop off after adding riva f/a on my stock 38,s. What is the stock needle spring rates? Fyi I have Sizzler pipe with stock pilot jet and 140 main jet.

Would love some imput on my jetting which I can't seem to get dialed in. I have an 02 superjet with stock dual carbs with a sizzler pipe on it. Right now everything in the carbs are stock except for a 140 high speed jet. I am running a little rich down low to mid throttle and scary lean at 3/4...

I have an 02 superjet w/sizzler pipe , started with b pipe jetting settings- here's what i got. Got low end dialed good, mid seemed ok , tested top end and plug was white-lean. Went 3 turns out-max and still only a little color. Going go from 135 to 140 main on dual 38's to richen top end. This...

I put a coffman sizzler on my 02 superjet and changed the jets (same as factory b settings) the bottom and midrange are good after a little tunning with the low speed adjuster. I tested the top with new plugs holding it wide open for a couple hundred yards and shutting it off and checking the...

Just called coffmans # and they dont have any spec's for that pipe on a 701, they said it wasn't really designed for a 701. Trying to save some money did I screw up? Is making this pipe work going to be more trouble than its worth?

More info for ya- 701 manifold, 2 waterbypass fittings, single cooled, no aftermarket head, stock dual 38 carbs. Thanks what ya thinking?

Installing new coffman sizzler and jetting instructions are for a 650 ( 2.0 Needle & seat, 125 main jet, 65 gram spring, 20lbs pop off) should I start here for my 2002 701 superjet? It has stock motor and carbs. If so do I leave pilot jet alone?

Planning on plugging the three air holes on front of 02 rn hood and then elarging the back two, just wondering what adivice or problems if any everybody has run into and whats the best tool to cut with. Pics of finished hoods if ya got em.

Just got done shortening my handlepole this weekend and came across what my be a problem. I decided to use bolts instead or rivets when I glued pole back on and was wondering if the wires ran up through pole would rub holes in time on the exposed nut heads on the inside? any thoughts or problems...

I can slide my sky when I want but I really want to be able to nose stab and eventually barrel roll which the groovy may not be the best for. I have been doing alot of reading on jet dynamics short plate and it seems to be somewhere in the middle of stability and slide. Any thoughts?

Ive had my superjet for 2 years now and it has a worx intake grate, riva groovy ride plate and hooker impeller. The thing hooks up and corners great but I am starting to do more tricks and the groovy ride plate doesnt slide out easy. I tried a stock plate but didn't like it, it felt to loose and...