YZF750SP Spotting and race bike query - Yamaha Forum : Your Yamaha Motor Products Community & Resource
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post #1 of 22 (permalink) Old 02-16-2009, 03:23 PM Thread Starter
 
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YZF750SP Spotting and race bike query

Hi Guys, new to the forum here and wanted to see if i could pick your collective brains about yzf750's.

I work in a salvage motorcycle dealers in the UK and as such have access to various wierd and wonderful machines and parts.
Following a brief look at carclassic.com i found the yamaha france yzf750, which got me thinking about a new project, based around a budget damaged repairable yzf refurbed and tricked up along the lines of that bike, but on a budget, not a blank cheque.. (i've seen it on here in one of the yzf porn threads)

Can anybody give me advice as to what sets an 'SP' apart from the normal 'R' model (ive read that it had and adjustable swingarm pivot among other things, but ive also seen images of what claim to be SP's but they don't look to have adjustable pivots...?)
Does the chassis plate say it is a yzf750sp rather than yzf750r?

Also, with reference to the race bikes, does anybody (maybe YEC YZF750SP can help here) know what kit parts are available or where to look for them? are they still obtainable from yamaha direct or is it an ebay lottery item?

With regard to engine tuning, what sort of spec did the race bikes run? and has anybody information on what modifications the bike responds well to (exhaust systems, carbs, ignition timing, cams etc..

Also, if anybody can point me in the right direction of any specialist sites for yzf 750's, it would be much appreciated

I hope i've opened a can of worms here, and that you guys can give me some good tips, as searching the internet, information on these bikes seems fairly limited.

Looking forward to seeing where this goes.

Thanks in advance
Shwa
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post #2 of 22 (permalink) Old 02-17-2009, 08:57 AM
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Hi shwa,

Yamaha's YZF750SP was made from 93-97.

The first 2 years (93-94) the difference between the "R" was:

-FRP 1 piece solo seat
-Keihin FCR39mm Flat-slide carbs
-Air Scoop on top of radiator
-Endurance windscreen (lower frontal area)
-Needle thrust bearings
-TPS sensors in throttle and gear
-Fully ADJ front suspension (93 "R" forks = preload only)
-Fully ADJ Rear Shock w/stiffer spring (very harsh ride compared to R's softer shock)
-Close-Ratio racing transmission
-Different suspension linkage
-Michelin TX11/23 Hi Sport tyres (vs Bridgestone BT50's on R model)

From 95-97, Yamaha also added to the SP:
-Ohlins shock w/remote preload adjuster
-Adj swingarm pivot
-Bolt on sub-frame (more forward position)
-Slightly revised fairing panels

YEC KIT Parts are EXTREMELY DIFFICULT to find now and most of the parts are discontinued. However, with LOTS of PATIENCE, it is possible to find some brand new parts and some used parts. Your search will be WORLD WIDE as I've sourced parts both from here in North America, Europe and directly from Japan.

YZF750SP's respond very well to a HIGH QUALITY, FULL RACE exhaust (jetted properly of course) and you can expect an immediate 10HP gain (at rear wheel). This is the first thing you want. Keep in mind, you'll lose the bottom end and midrange since you'll be dumping the EXUP but it's a track bike anyways.

Send me your e-mail and I'll give you a copy of my '94 YEC KIT manual in PDF format........lots of COOL stuff in it!!

Cheers,

Julian

Last edited by YEC_YZF750SP; 02-17-2009 at 10:07 PM.
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post #3 of 22 (permalink) Old 02-17-2009, 11:08 AM Thread Starter
 
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Thanks Julian, your a top bloke!
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post #4 of 22 (permalink) Old 02-17-2009, 10:04 PM
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BTW, I forgot to mention that on the SP model there is an AIR SCOOP that sits on top of the radiator that channels air flow to the airbox.

Can't believe I forgot that detail!!
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post #5 of 22 (permalink) Old 02-19-2009, 02:39 PM Thread Starter
 
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I've seen this for sale, it says its a '96 SP, but doesn't look to have the adj. pivot or bolt-off subframe (obviously it could be a late registered early sp, but if so, why no solo seat? that then begs the question, whats with the ohlins sticker and what looks to be the remote res. for the shock?
Do we think its a bitsa? (u know..bitsa this-bitsa that?!)
also, anybody any information on what colour schemes they came in?
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post #6 of 22 (permalink) Old 02-20-2009, 08:23 PM
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Quote:
Originally Posted by shwa View Post
I've seen this for sale, it says its a '96 SP, but doesn't look to have the adj. pivot or bolt-off subframe (obviously it could be a late registered early sp, but if so, why no solo seat? that then begs the question, whats with the ohlins sticker and what looks to be the remote res. for the shock?
Do we think its a bitsa? (u know..bitsa this-bitsa that?!)
also, anybody any information on what colour schemes they came in?

Here's all the colors the SP came in from the factory:

1993


1994


1995


1996 and 1997

Last edited by YEC_YZF750SP; 02-20-2009 at 08:29 PM.
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post #7 of 22 (permalink) Old 02-22-2009, 01:03 PM Thread Starter
 
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Once again Julian, you have enlightened me further!
btw, this is the link for the bike i'd seen: http://search.autotrader.co.uk/es-uk...cleRegLetter=P

Thanks again mate.
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post #8 of 22 (permalink) Old 02-22-2009, 05:57 PM
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Quote:
Originally Posted by shwa View Post
Once again Julian, you have enlightened me further!
btw, this is the link for the bike i'd seen: http://search.autotrader.co.uk/es-uk...cleRegLetter=P

Thanks again mate.
No problem, glad to be of some help!

BTW, WALK AWAY from that YZF......I just checked the link and that is DEFINITELY not a 96 YZF750SP. It looks to be a 95-97 YZF750R with complete bodywork from 1993. The reason you see an Ohlins shock and sticker is because from 95-97, all "R" models came with the Ohlins shock WITHOUT the remote spring preload adj (US market YZF's did not come with Ohlins).

BTW, the Ohlins shock that comes on the "R" models IS NOT the genuine, Swedish-made item. They are Japanese built, "production" Ohlins and aren't the same grade as the Swedish-built units.

Julian
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post #9 of 22 (permalink) Old 02-23-2009, 02:15 PM Thread Starter
 
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cheers Julian, figured it wasn't when i saw the pics you posted. feel confident that with your info i could spot one at a hundred paces!! left a little question on the thread of your bike on the pb forum, have you seen the endurance fairings for yzf on clever wolf racing? its the only place ive seen them (airtech, opp, sharkskins, skidmarx etc don't do them), have you ever coma across anyone else who produces them (preferably in the US or better, UK. (I find japanese quite hard to follow...) I'm looking to do a rep of the yamaha France yzf but would be willing to sacrifice the look as single headlight look SWEEEET!!
the alternative would be to source a fairing on the 'bay and teach myself how to fibreglass. which reminds me, there isn't anyone out there that has images of how they mount the light units on endurance bikes? is it actually attached to the fairing or on the front sub-frame and lined up to the hole in the fairing? i only ask as how light are the average headlight units, would it not start to crack fibreglass with the strain of repeated bumps (its going to be a road and track bike)

any fibreglass tips or tips in general would be much appreciated.

and can anybody tell me what this =>
is all about?
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post #10 of 22 (permalink) Old 03-01-2009, 09:01 PM
 
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i would like a copy of the yec race manual if possible
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post #11 of 22 (permalink) Old 03-03-2009, 09:01 PM
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Quote:
Originally Posted by yzf_racer View Post
i would like a copy of the yec race manual if possible
No problem, I can send you a copy. Just need your e-mail address.
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post #12 of 22 (permalink) Old 03-10-2009, 06:20 PM
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Yzf750sp

Hello all,

I have a yzf750sp can anyone tell me what was the production run for this bike ?
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post #13 of 22 (permalink) Old 03-30-2009, 03:59 PM
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Still no information on how may YZF750sp bikes left the factory, thought someone here would have this information ?
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post #14 of 22 (permalink) Old 03-30-2009, 04:16 PM
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Quote:
Originally Posted by shwa View Post
and can anybody tell me what this =>
is all about?
I got no help on the bike inquiries, but I can help you with the spam.

Spam: the lunch meat like substance.

Spam: Defined; Spam is the abuse of electronic messaging systems to send unsolicited bulk messages indiscriminately. While the most widely recognized form of spam is e-mail spam, the term is applied to similar abuses in other media: instant messaging spam, Usenet newsgroup spam, Web search engine spam, spam in blogs, wiki spam, Online classified ads spam, mobile phone messaging spam, Internet forum spam, junk fax transmissions, and file sharing network spam.






ATGATT
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post #15 of 22 (permalink) Old 04-02-2009, 11:11 AM
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Quote:
Originally Posted by startig View Post
Still no information on how may YZF750sp bikes left the factory, thought someone here would have this information ?
I can only confirm that 500 units were built in 1993. For 93, the USA was allocated 15 units and Canada received 20 units. Canada only received 10 units in 1994.
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post #16 of 22 (permalink) Old 06-10-2009, 08:24 AM
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Quote:
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No problem, I can send you a copy. Just need your e-mail address.
Could you please send me a copy?
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post #17 of 22 (permalink) Old 06-11-2009, 07:59 AM
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Quote:
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Could you please send me a copy?
Sure, send me a private PM with your e-mail address and I'll get the YEC Kit Manual to you.
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post #18 of 22 (permalink) Old 06-04-2012, 08:05 PM
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joined just to ask you how can i tell if its an sp without taking the fairing off. the owner doesnt really know other than the fairing and solo seat. your list provided is all hidden stuff. guessing the easiest way is to remove gas tank to see the carbs. are they the same brand or just bigger.

heres the ad : 1993 Yamaha yzf750 - Kingston Sport Bikes For Sale - Kijiji Kingston Canada.

thx dave in milton
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post #19 of 22 (permalink) Old 06-06-2012, 06:46 AM
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Tha sp should have a removable seat frame - the r is welded on

Paul






Quote:
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joined just to ask you how can i tell if its an sp without taking the fairing off. the owner doesnt really know other than the fairing and solo seat. your list provided is all hidden stuff. guessing the easiest way is to remove gas tank to see the carbs. are they the same brand or just bigger.

heres the ad : 1993 Yamaha yzf750 - Kingston Sport Bikes For Sale - Kijiji Kingston Canada.

thx dave in milton
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post #20 of 22 (permalink) Old 06-07-2012, 06:21 AM
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seller confirmed just a an R model with wolfs clothing
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