what is the biggest motor you can mount on a f2 frame

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what is the biggest motor you can mount on a f2 frame - 3/1/2006 1:45:33 PM    heavychevy   Posts: 4 Joined: 2/27/2006 Status: offline what size motor can you put on f2 frame Post #: 1

RE: what is the biggest motor you can mount on a f2 frame - 3/14/2006 2:41:02 AM    DThompson Posts: 1608 Joined: 1/30/2006 Status: offline I dont think there are to many people that have been swapping engines. Id just take some measurments of the engine cage area in comparison to other bikes. It would probably cost a lot of money to convert this also. Probably better off buying a bigger bike. Daniel Thompson (in reply to heavychevy) Post #: 2

RE: what is the biggest motor you can mount on a f2 frame - 3/14/2006 10:57:47 AM    cbrjeeper Posts: 639 Joined: 9/7/2005 From: Port Saint Lucie, FL Status: offline Are you good at fabrication? If not, the size of your wallet will decide the size of the engine. Tylor _____________________________ You meet the nicest people on a Honda (in reply to DThompson) Post #: 3

RE: what is the biggest motor you can mount on a f2 frame - 3/14/2006 11:25:18 AM    kulrevon   Posts: 52 Joined: 12/6/2005 Status: offline I believe a cbr 900 bolts in pretty simple with small modifications. _____________________________ 91 cbr600 f4i fairings headlight tail seats undertail. gsxr rears. RK 520chain vortex -1+2. D&D carbon exhaust. Soon to be high mount. F4i gauges w/gsxr speedo sensor. K&N Filter. Jet kit? (in reply to cbrjeeper) Post #: 4

RE: what is the biggest motor you can mount on a f2 frame - 3/16/2006 1:05:18 PM    chaos321   Posts: 74 Joined: 3/7/2006 Status: offline The 900rr motor will fit, with some mods to the motor mounts and also the top brace that runs from left to right above your airbox has to come out. Now if you think about it, the new 919 has the same 900rr motor,and it has fuel injection. Oh the possibilities! (in reply to kulrevon) Post #: 5

RE: what is the biggest motor you can mount on a f2 frame - 3/17/2006 9:59:53 AM    kulrevon   Posts: 52 Joined: 12/6/2005 Status: offline Do you know anywhere I can find info on the 900rr swap into the 600? _____________________________ 91 cbr600 f4i fairings headlight tail seats undertail. gsxr rears. RK 520chain vortex -1+2. D&D carbon exhaust. Soon to be high mount. F4i gauges w/gsxr speedo sensor. K&N Filter. Jet kit? (in reply to chaos321) Post #: 6

RE: what is the biggest motor you can mount on a f2 frame - 3/17/2006 11:06:15 AM    chaos321   Posts: 74 Joined: 3/7/2006 Status: offline There used to be a site called motomorph but they went out of business. It ends up being trial and error. You might try google and see if there are any other CBR sites or F2/F3 sites. (in reply to kulrevon) Post #: 7

RE: what is the biggest motor you can mount on a f2 frame - 3/19/2006 5:51:17 PM    rangerracer   Posts: 25 Joined: 10/17/2005 Status: offline can you fit a motor from a newer 600?f3/f4/f4i? (in reply to chaos321) Post #: 8

RE: what is the biggest motor you can mount on a f2 frame - 3/19/2006 6:35:05 PM    13brsxsrr Posts: 1521 Joined: 3/1/2006 Status: offline quote: ORIGINAL: heavychevy what size motor can you put on f2 frame I might be wrong but i don't think Honda intended for 900rr engine to fit a f2 chasis that old. The frame, forks, and swingarm are different. Not saying that it won't work but why not just put an f2/f3? Attachment (2) _____________________________ (in reply to heavychevy) Post #: 9

RE: what is the biggest motor you can mount on a f2 frame - 4/20/2006 1:15:03 PM    turboinferno83   Posts: 10 Joined: 4/18/2006 Status: offline Why do most of the people here have nothing but bad stuff to say about anything that seems to be different in the way of what was factory design.Maybe this is a hobby or just a fun little project for someone.Don't come around spitting your useless thoughts at everyone.We don't want to here it.Today people we want to know what engine is known to fit in this chassis.I read of this on a forum at cbrworld.net.There was some modification.The modification can be done yourself using a cutting/grinding wheel,and a welder.pick these up your self can save big bucks. the top of the frame was notched is one thing i remember and the head looked tight in the top area of the frame < Message edited by turboinferno83 -- 4/21/2006 8:26:39 AM > (in reply to 13brsxsrr) Post #: 10

RE: what is the biggest motor you can mount on a f2 frame - 4/21/2006 10:43:11 AM    turboinferno83   Posts: 10 Joined: 4/18/2006 Status: offline http://home.insightbb.com/~cbr600f3/ This should help you. (in reply to turboinferno83) Post #: 11

RE: what is the biggest motor you can mount on a f2 frame - 4/24/2006 2:28:22 AM    LordYeddi296   Posts: 13 Joined: 4/24/2006 Status: offline I'm SERIOUSLY considering swapping a 900 into my F2/3 and just selling my f3 motor. Turbo the shit out of that 900 motor. How much can the stock internals take?? I'm sure i'd do low comp pistons at the minimum tho... (in reply to turboinferno83) Post #: 12

RE: what is the biggest motor you can mount on a f2 frame - 5/18/2006 12:48:30 AM    realeyez   Posts: 35 Joined: 5/11/2006 Status: offline your stock internals would be ripped by a larger size turbo my buddy has a 900 motor in his f3 and its a very very fast bike. If you do the swap take some pics and do a write up on it this is a very cool swap im going to do it withen the next few years. (in reply to LordYeddi296) Post #: 13

RE: what is the biggest motor you can mount on a f2 frame - 9/17/2006 1:15:05 PM    bindelsf2 Posts: 1331 Joined: 5/7/2006 From: YES THAT IS A 900 ENGINE IN A F2 ON SPRAY Status: offline i am almost done with my swapping a 94 900RR into my 94 F2- its not that hard you just have to keep putting the motor in and taking it out to make adjustments alot.. and weld a new rear lower mount in and mod the airbox.. i didnt notch my frame though i just shaved the head off the acorn nut that hits on the right side. but i am taking a TON of pics so i will get a full write up in the DIY section when i am done and let you guys know on here... i also have a picture of every single thing that i am taking off- in case there are any questions where something goes when someone else does it and when i put mine back together. _____________________________ nitrous is like a slut, you wanna hit it but are scared of the consequences! honda CBR 600F2/900RR -93 900RR ENGINE (893cc) 10" stretch -NOS -D&D race series exhaust -Stage 7 jet kit and single filters -98 F3 tail -pingel rear strut (in reply to realeyez) Post #: 14

RE: what is the biggest motor you can mount on a f2 frame - 9/17/2006 3:49:40 PM    Blackdog F4i Posts: 874 Joined: 7/27/2006 Status: offline You are bracing the frame to take the extra horsepower RIGHT? See people don't seem to understand that the manufacturers shave every bit of weight they can on sportbikes. This means that they frames and swingarms are only made as strong as needed for the power they intend to acheive. If you are lucky, then what you do will still keep you in the "safety margin" that the manufacturer builds in. If you aren't then you crack a frame and C-ya. A F2/3/4/4I is not a Hypersport that was built with the understanding that people were going to double the power output. (see Hayabusa, ZX12R, CBR1100XX, ZX14R) _____________________________ John CBR 600 F4i Built it Frame-up. Mods: Scorpion Carbon High Mount, PCIII, Supersport Undertail, CA Integrated LED Taillight, Targa Cowl, LP Short Stalks, Pyramid Hugger, Shogun Frame and Bar sliders, Corbin Saddle. (in reply to bindelsf2) Post #: 15

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