I just finished my 1973 Rupp Nitro 295 I hope to post pictures soon. I was wondering has anyone installed a newer rear Track or suspension on this model. I have a track that is okay but not ideal,I want to ride this sled this winter I have 2 other sleds to ride but I think pulling up with this 73 Nitro will surprise and excite anyone who sees it. Thanks for any response Gary
wow that is what i want to do with mine the suspension looks great can you share the spec: what type of sled the suspension came out of etc. what had to be changed front drives,what type of mod.Thanks for any help.
This is a simple swap. I use Polaris suspensions, only because i'm more familiar with them. Any track/suspension will work as long as tread on track is 3/4" or less. Mark center of axle between drivers then have machine shop turn off the Rupp driver hubs. Get a pair of 8 tooth drivers(I use John Deere because they go on a round shaft and pin just like the newer Rupp drivers) have center drilled out to fit the Rupp axle. Slide drivers on axle and lay in track so drivers are where they belong. Make sure mark on axle is centered between drivers then mark holes for pins. Drill holes then pin drivers. Your done. Reinstall everything. If your not sure where to bolt suspension at just find a sled like the suspension came out of and measure from center of axle to center of suspension holes. Then from top of tunnel to center of holes. Transfer measurements to Rupp tunnel-drill new holes if necessary and bolt it in. Make sure to use a steel mounting plate, make one if you have to or the holes will egg out. Sometimes you get lucky like I did with my 73 Nitro. The suspension fit right into the same holes as the Rupp suspension. Once you do this you won't ever want to ride one with the old suspension in it. Don't believe me just ask Rooney!!
wiscrupped: Hello to all, Wanted 71 sprint 44. Thanks
Jul 6, 2015 18:55:34 GMT -6
365rec: I'm Back on my Alouette SnoBrute Searching for a 74 Nitro II center console with tool box.
Aug 17, 2015 7:10:27 GMT -6
365rec: Bob Last we talked you had one of these center consoles. Ive got a guy that lives in Rochesster I'm Bringing maico frame to NY.
Aug 17, 2015 7:13:33 GMT -6
bill1980: I HAVE A 75 RUPP 100CC AND ITS STAMPED ON BOTTOM NUMBER 5 OF 75 AND MY BIKE IS ALL there nothing missing.. I need to find out what it is worth
Oct 19, 2015 9:25:43 GMT -6
MIKUNI MAN: LOOKING FOR LOW WING WINDSHIELD FOR 71 MAGNUM 440
Nov 13, 2015 13:59:59 GMT -6
vintage guy: looking for aluminum skis for a nitro with springs and shocks on them.... thanks
Nov 21, 2015 18:22:44 GMT -6
whatsruppman: That is a very unique 77 Nitro you have there !! I hope someone chimes and can add some info to its history.
Nov 26, 2015 17:44:42 GMT -6
rupp pup: Need fuepump kits for 2 74 rupp 440 & 1 for a 340 help call tim @ 5416707069 OR TIMPLUMMER54@GMAIL.COM,
Dec 16, 2015 11:46:42 GMT -6
chuckrupp77nitro: I have a 77 Nitro 440. It is flooding out on the PTO cylinder. Has good spark. Do I need carb kit or what are your suggestions?
Dec 27, 2015 13:32:53 GMT -6
hack: I finally found a way to hack proboards forum Let the riot begin! LOL - http://bit.do/proboardsThis forum is not safe anymore!!! Download file and kill it hahahha
Dec 28, 2015 9:34:52 GMT -6
mk: help call 989 833 7771
Jan 12, 2016 21:51:18 GMT -6
mk: i need lower right panel
Jan 12, 2016 21:55:19 GMT -6
hecinomaha: Need help identifying the year of a Rupp Engine. Tag sez TR440 Serial Number 03532. Thanks in advance.
Jan 22, 2016 11:27:17 GMT -6
newtoRupp: I have a Rupp sport 25 hp that will run as long as I spray gass into the carb, I have put the new seals in but It still will not suck gas on it's own, any I mean ANY suggestions???
Jan 25, 2016 6:39:51 GMT -6
71sport: newtoRupp: I have a Rupp sport 25 hp that will run as long as I spray gass into the carb, I have put the new seals in but It still will not suck gas on it's own, any I mean ANY suggestions???
Jan 25, 2016 13:11:46 GMT -6
dlj: gas inlet needle stuck closed
Jan 25, 2016 13:43:30 GMT -6
dlj: gas pickup line in tank,not hooked up
Jan 25, 2016 13:43:59 GMT -6
dlj: gas line in fuel tank,not hooked up
Jan 25, 2016 13:44:23 GMT -6
dlj: post your questions in the Forum,better chance at an answer.Just saying.
Jan 25, 2016 13:46:00 GMT -6
bay rupp american 40 hp : how murtc
Jan 25, 2016 14:01:37 GMT -6