421 Serval w/R-2's vs Shearer Small Bore Dyno #'s

[SuperMex]

Ok, I am putting together a 421 Serval this month and will be dynoing it with Shearer small bores vs R-2s. The Bike will be a 421 Serval bought from M&M atv with Hinson Spring Loaded Basket w/Straight cuts, F.A.S.T. Clutch, Cut trans but not full override, Shift Star Mod, Billet Impeller, Stock Gearing 14-41, 34mm PJ's w/6" pods, V-Force reeds, Boss Billet Intake w/ built in crossover, Fluidyne over sized Radiator, NOSS Head w/ 24cc Domes. That's all I can think of for now so I will dyno it and run a comparison on these two sets of pipes. I'll keep you guys posted on the build and eventually the Dyno #'s.

[J.J.]

Ok, I am putting together a 421 Serval this month and will be dynoing it with Shearer small bores vs R-2s. The Bike will be a 421 Serval bought from M&M atv with Hinson Spring Loaded Basket w/Straight cuts, F.A.S.T. Clutch, Cut trans but not full override, Shift Star Mod, Billet Impeller, Stock Gearing 14-41, 34mm PJ's w/6" pods, V-Force reeds, Boss Billet Intake w/ built in crossover, Fluidyne over sized Radiator, NOSS Head w/ 24cc Domes. That's all I can think of for now so I will dyno it and run a comparison on these two sets of pipes. I'll keep you guys posted on the build and eventually the Dyno #'s.

 

Nice, I'll be following this thread closely.

[SuperMex]

I currently have a dune ported stock cylinder and have ran T5s and the R-2s on them and I can tell you the R-2s come on just as soon and pull hard and rev to the moon. I think they are a much better all around pipe than the T5s like a CPI but rev out longer than the CPIs. Now to see how they do on a Serval, should be fun.

[CFH87]

R-2's have a bad ass sound to them... Wonder how the shearer pipes will do.

[SuperMex]

Yeah I love my R-2s they sound and look sick

[Strm Trpr]

NICE, I too will be following this thread.

 

On another note, how the heck do you change plugs with those R2's?

[SuperMex]

NICE, I too will be following this thread.

 

On another note, how the heck do you change plugs with those R2's?

If the pipes are hot I wear gloves and I am very careful these babies get HOTTTTT, but if the pipes are cool its just as easy as with T5s just a different angle.

[Strm Trpr]

If the pipes are hot I wear gloves and I am very careful these babies get HOTTTTT, but if the pipes are cool its just as easy as with T5s just a different angle.

N I C E !

 

Now I really can't wait to see these results.

 

Make sure and have Andy at M&M cut you some new domes for the Serval cylinders.

[figjam]

Why new domes?? You got those with the serval kit from Andy right?

[Strm Trpr]

Why new domes?? You got those with the serval kit from Andy right?

If he bought the domes for the Serval he's good to go.

[SuperMex]

Yeah, kit from Andy has domes

[Strm Trpr]

Cool.

 

For one reason or another I thought you were running the Noss Head and Domes on your Dune Port Stk Cyl...

 

My Bad

 

I can't wait for results.

 

Did Andy do a clean-up port on the Serval?

[figjam]

I also imported this kit from Andy a week ago. Should be arriving next week! Can't wait, still need to buy all the clutch mods and stuff like that. Also ordered 24cc custom domes, Hopefully it's fine, I'm at sealevel. Are you running extended swingarm? What size dirt tires will you be using??

[SuperMex]

yeah, I am running a +6 swing arm and 24cc domes as well I am at sea level also. I just use the stock tires on it since I trail ride it very rarely thats what my CRF450R is for. For sand I run 20-10-10, 9 paddle Skat-Trak haulers.

[Fastassbanshee96]

I've got the same setup except I have 22cc domes. I'm still doing the break in and running R2 pipes and so far I love it. I plan on getting all broke in this weekend.