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Title: Where Are The Hot 900 Engine Builds? Post by: koko64 on December 19, 2015, 03:38:44 AM It seems that with the advent of the 1100 motors, performance 900 builds are becoming a thing of the past.
When I joined the forum, hot 900 builds were common with people fitting hi comp pistons, big bore kits, cams, bigger valves, porting and light internals. Title: Re: Where Are The Hot 900 Engine Builds? Post by: Nibor on December 20, 2015, 01:13:49 AM Everyone's moved on mate!
It's all about the hot 750's these days! ;D Title: Re: Where Are The Hot 900 Engine Builds? Post by: koko64 on December 20, 2015, 01:20:15 AM We'll have to finish the bloody thing so you can do a hot 750 thread. ;)
Title: Re: Where Are The Hot 900 Engine Builds? Post by: koko64 on January 16, 2016, 08:19:01 PM Check out Yorkies builds. All three of them. :D
Title: Re: Where Are The Hot 900 Engine Builds? Post by: Speeddog on January 16, 2016, 09:36:28 PM Hot 900's are too easy.
Real men build hot 750's. ;D Title: Re: Where Are The Hot 900 Engine Builds? Post by: koko64 on January 16, 2016, 10:07:08 PM Nibor would agree with you. ;D
Title: Re: Where Are The Hot 900 Engine Builds? Post by: Nibor on January 16, 2016, 10:18:44 PM Yes he would [beer]
Title: Re: Where Are The Hot 900 Engine Builds? Post by: Graymonster on February 01, 2016, 02:03:31 AM I have finaly got time for my projekt. Frame painted in gold :o Next in line is hom made struts to the shortened front mudguard, new bracket for seat/fueltank, cambelts, shorai battery under seatpan and so on.... Tank to be painted flat black...
I think this is a hot 900 :D (https://scontent-lhr3-1.xx.fbcdn.net/hphotos-xpf1/v/t35.0-12/12562797_10153186273087096_1952162214_o.jpg?oh=8feadd8185c1c30ce4cd1704ac8044e2&oe=56B1A1A6) Title: Re: Where Are The Hot 900 Engine Builds? Post by: koko64 on February 01, 2016, 02:28:27 AM [thumbsup]
What you doing to the motor? Title: Re: Where Are The Hot 900 Engine Builds? Post by: Graymonster on February 01, 2016, 02:44:32 AM Changed heads from W2 to V1, lightly homeported, keihin 41mm with as big K&N filters I could fit, lighten flyweel. Should be OK [thumbsup]
Title: Re: Where Are The Hot 900 Engine Builds? Post by: koko64 on February 01, 2016, 04:01:52 AM Very cool. How much weight you take off the flywheel? Which pods on the carbs?
Title: Re: Where Are The Hot 900 Engine Builds? Post by: Graymonster on February 01, 2016, 04:52:57 AM Im offshore and dont have my papers here.... I think the flywheel ended on 1250grams, but not sure....
I bought K&N RX-4040-1 :) (https://scontent-lhr3-1.xx.fbcdn.net/hphotos-xtp1/v/t34.0-12/12665752_1013679168675583_787415829_n.jpg?oh=c038e101f31ef4d6e84846659938994b&oe=56B1C664) Thight fit, but its there :) Title: Re: Where Are The Hot 900 Engine Builds? Post by: SpikeC on February 01, 2016, 12:11:30 PM What fun! Looks great!
Title: Re: Where Are The Hot 900 Engine Builds? Post by: DarkMonster620 on February 01, 2016, 12:42:00 PM Once I get back on the $$ saddle, I'll show you my 620/750 . . . ;D
Title: Re: Where Are The Hot 900 Engine Builds? Post by: Yorkie on February 01, 2016, 01:13:40 PM I am trying to make sure most of mine loose as much weight as possible.
Primary gears: (http://i1286.photobucket.com/albums/a615/Yorkie13/Ducati%20Monster/IMG_0068_zpsb4f5363c.jpg) (http://s1286.photobucket.com/user/Yorkie13/media/Ducati%20Monster/IMG_0068_zpsb4f5363c.jpg.html) Butchered clutch cases: (http://i1286.photobucket.com/albums/a615/Yorkie13/Ducati%20Monster/Cafe%20Racer/IMG_1489_zpseewubrdf.jpg) (http://s1286.photobucket.com/user/Yorkie13/media/Ducati%20Monster/Cafe%20Racer/IMG_1489_zpseewubrdf.jpg.html) (http://i1286.photobucket.com/albums/a615/Yorkie13/Ducati%20Monster/IMG_1387_zpsbfjkqa0k.jpg) (http://s1286.photobucket.com/user/Yorkie13/media/Ducati%20Monster/IMG_1387_zpsbfjkqa0k.jpg.html) Lightened adjustable cam wheels: (http://i1286.photobucket.com/albums/a615/Yorkie13/Ducati%20Monster/image_zps21qrvvr2.jpeg) (http://s1286.photobucket.com/user/Yorkie13/media/Ducati%20Monster/image_zps21qrvvr2.jpeg.html) Alloy intakes: (http://i1286.photobucket.com/albums/a615/Yorkie13/Ducati%20Monster/Ducati%20750SS%20Project/photo65_zps61892af5.jpg) (http://s1286.photobucket.com/user/Yorkie13/media/Ducati%20Monster/Ducati%20750SS%20Project/photo65_zps61892af5.jpg.html) And where possible a lightened fly wheel (this one is from my ST2 - 5kgs down to 1.3kgs): (http://i1286.photobucket.com/albums/a615/Yorkie13/Ducati%20Monster/20141215_121818_zps88130f12.jpg) (http://s1286.photobucket.com/user/Yorkie13/media/Ducati%20Monster/20141215_121818_zps88130f12.jpg.html) Yorkie. Title: Re: Where Are The Hot 900 Engine Builds? Post by: MonsterHPD on February 03, 2016, 11:07:38 AM Turned down stock M900 flywheel:
(http://i855.photobucket.com/albums/ab117/Monsterhpd/Monster%20Forum/P2010001_zpshimnutwo.jpg) (http://s855.photobucket.com/user/Monsterhpd/media/Monster%20Forum/P2010001_zpshimnutwo.jpg.html) On a kitchen scale it weighted in at 930 g, on a fishermans scale 0.95 kg, maybe symptomatic for that sport .... we´ve had a flywheel like this one on out SSie900 rain day track bike with no problem. The steel in the flywheel is quite hard, and I would not do it if I did not have the sintered-steel machineing tips, don´t know what they´re called in english. In about 2009 I started a project for a St2-based track day bike, but due to family and work obligations and some other things that turned up, I never got beyond the engine: (http://i855.photobucket.com/albums/ab117/Monsterhpd/Monster%20Forum/P2010003_zpsgtaqw4hj.jpg) (http://s855.photobucket.com/user/Monsterhpd/media/Monster%20Forum/P2010003_zpsgtaqw4hj.jpg.html) Kämna 45/39 heads, Pistal hicomp pistons, Autoverdi rods, balanced and lightened crank, lightest Kämna alu flywheel, new crankcases (with piston cooling jets), close-ratio gearbox from a Monster900 / 2002. The motor has been standing in my garage since 20012 or so, and in the meantime everybody running 2V bikes have turned up with 1100 motors.Powerwise, the 1100´s more or less take off where this engine might end, I´d be happy with 98-100 horses in this one. The motor in the rain bike now has something like 80k km on it, has started to sound very rough, so time permitting I´ll put this motor in it, just to see how it works. We´ll see ... (http://i855.photobucket.com/albums/ab117/Monsterhpd/Monster%20Forum/P6240191_zpse53cc1f0-1.jpg) (http://s855.photobucket.com/user/Monsterhpd/media/Monster%20Forum/P6240191_zpse53cc1f0-1.jpg.html) For track days, I´ve given in, an now have a 749R with a HYM1100 motor in it, Stock, so far,, and otherwise work in progress ... (http://i855.photobucket.com/albums/ab117/Monsterhpd/HPD0R%201100/20150710_144552_zpswdcyngqd.jpg) (http://s855.photobucket.com/user/Monsterhpd/media/HPD0R%201100/20150710_144552_zpswdcyngqd.jpg.html) Title: Re: Where Are The Hot 900 Engine Builds? Post by: koko64 on February 03, 2016, 11:41:28 PM Very cool. [thumbsup]
Title: Re: Where Are The Hot 900 Engine Builds? Post by: Nibor on February 04, 2016, 12:57:59 AM Schweeeet!
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