People say 125's are shit, but what about a 154??????

[GearboxGeezer]

Well, I blew up my RS a couple of weeks ago ( Surprise Suprise.. ) and so I had to buy a new barrell and piston, Instead of getting a 125cc kit again I got a 154cc.

I went out on it today and was just running it in, Didnt go above 6,000 rpm, but then I opened it up and hit 80 in a 30 ( long straight pretty much deserted road so know moaning ) in a very short time, alot quicker than what the 125 barrel would do.

I was hooked, I kept opening it up, but tried to restrain myself but I just had to do it every now and again. IT WAS WICKED!

I pulled a wheelie as well which I didnt mean to do, I dipped the clutch to build up speed as I was doing about 10mph from the lights and sounded like it was gona die ( I normal do this on the 125 barrel but it only pops a lil wheelie ) anyway it flew up well high and I was almost certain I was gona flip it ( Not skilled at wheelies.. )

I spun the rear wheel up on the exit of a roundabout which dosnt normally happen on the 125 as well..

FUCKING AMAZING, I cant see myself getting a bigger bike now, this things fast enough for me.

[-Ali-]

sounds a laugh maybe a bit more maintaince though so watch out for it

[bennyboy]

Almost makes me want to blow up my 125 engine just to get a 150!

How much did it cost altogether to get a 150cc engine?
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2000 peugeot speedfight....1999 RS125....2001 RS125....1997 GSXR600 srad

[G]

[McGee]

Awww G why shoot him down so quick
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Its pronounced Jixxer!

[Jack_Cheese]

Hope you rejetted and upgraded the crank. If you did they have fun if not, get ready to fork out

Jack
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www.bikepics.com/members/jackcheese <--- NOW FOR SALE! 51 Plate Cagiva Planet 125
Quacker_boy: "Jack, you really are a dick!"

[Kickstart]

Hi

Have heard that the RS big bore kits tend to be a bit unreliable. From memory the issue is heat build up around the exhaust port.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[GearboxGeezer]

Lol, cheers for the heads up kickstart, and I only reved it out once or twice... just clearing the engine out thats all

I havnt upgraded the crank but the matey said it wouldnt need it.. I have rejetted it and got it running like a dream.

I dont care if this thing needs a rebuild every month its well worth it. It pops in first gear ( not just pops, it could actually flip if u dont left of the throttle ) in first gear and easily wheelies in 2nd with a blip of the clutch ( If ur wondering, I have run it in now, done over 6 hours and thats well enough )

Kickstart, do you or anyone else know if you can some how feel the exhaust port getting over hot, I mean will you feel the engine tighten up or somthing?

Cheers.

Oh and Benny boy, GET A 150 NOW!!! youll love it.

[Kickstart]

Hi

Not sure in detail. Prox on the 125 forum (he runs PJ Engineering) is probably the person to ask.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[GearboxGeezer]

Oh, I think he was the one who advised me not to get it Oh well you only live once.

Just cant imagine what its like to ride a big bike, I mean I surpose the power isnt as violent as the RS but its ALOT more powerful... amazing.

[Kickstart]

Hi

The RS has quite a smooth mild power delivery. If you want a wild power delivery try a tuned old non powervalves 250 2 stroke.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[GearboxGeezer]

Lol, wow, them things must be just crazey!

Also aparntly a JL racing exhaust is good for keeping the exhaust port cool as it gets rid of the gases a bit quicker.... even lough I thought racing exhausts just had differnt pulse settings on 2 strokes...

Also I think my main problem will be the 2 ports on the actuall piston, there pretty big and im gessing this will make it weaker.

Only one way to find out, cheers for the help mate.

[Kickstart]

Hi

Doubt the exhaust will make a difference in that way. Would hope the piston is designed to be no weaker despite the ports in it.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[fire]

sounds like you had fun

My NSR150 was great fun too, i cud pull power wheelies in 1st with a tug on the handle bars, maybe coz the things so dam light!
and that engine produces alot of power for such a lil bike
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Write off! Honda NSR150 RR ('01) - Sold Cagiva Mito Evolution ('00) - Sold Honda NSR125 ('01) - Current Gasgas TXT 250 ('98) - Sold Kawasaki Z750 ('10) - Write off! Yamaha FZ1 ('09) - Current Ducati Streetfighter 848 ('14)

[bennyboy]

How much was the kit Gearbox? Including fitting?
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2000 peugeot speedfight....1999 RS125....2001 RS125....1997 GSXR600 srad