LegendsRacer - Legends & Bandolero Racing Forum
LEGENDS => Engine Care & Tuning => Topic started by: knoxracing on December 19, 2012, 09:26:29 am
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I had a 1200 sitting in my shop for four years, needed redone but I am a dealer and deal in 1250's now. USLC is now converting them to 1219 and sealing them. I am a dealer so I decided to have one done before I recomend it to others.
BINGO!
$2600.00 complete and dyno'd really good.
The motor is spot on, its now a 1219, pumps 175lb's compression and is strong (very strong)!
YES it is sealed!
If you are willing to run a sealed motor and do not want to invest in a new 1250 this could be for you.
I will tell you it dyno'd slightly off the TOP 1250's I have seen, I am talking about the best 4 and 8 over 1250's i have seen.
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dennis
are you talking rods and pistons plus all the regular stuff for 2600.?
joe
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Good question.
If that's the case, thats a heck of a deal considering its an extra $800 or so for rods and pistons
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This motor did not have new rods installed as someone prviously had installed 1250 rods. Yes it included the pistons, rings. sleeves, machine work and all the other parts. This was a complete rebuild, top and bottom end. The head was in pretty good shape but did receive the typical valve job and associated work. The biggest fear to me for a 1200 rebuild is the condition of the head, being they are so old and generally been rebuilt a dozen times, thats the weak point and would be the only stumbling block when doing one of these.
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Wow.
How much is it for a 1250 rebuild?
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A 1250 requiring pistons would be about $2900.00 . USLC is discounting the 1219 conversion a little bit to get this alternative 1200 rebuild program going. I would say in the future if this takes off you would see the price increase by about 10 to 15 percent. it would be comparable to the 1250 rebuild. Remember, these numbers vary from motor to motor like anything else.
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I read another thread that mentioned the 1219 motor. I gues i did not think about the fact that alot of you may not know. The 1219 was the original sealed motor to be introduced by 600 Racing. It was a brand new crate 1200 converted by 600 Racing to a 1219 and then sealed and sold as new. Yamaha announced the 1200 would no longer be produced so 600 opted for the 1250 engine that Yamaha was using in Bikes overseas, this was done primarilly because the 1250 is so much like the 1200 and so many parts are interchangable.
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It is still only 19cc larger than the 1200. Spend a couple extra bucks and get the 1250 if you want to run a sealed engine.
It's like running a punched out 289 bored to a 302. Run a 350 and go for the cubic inches.
JMHO
Steve
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A little more than that, the 1200 is really an 1188.
I was just surprised at the reasonable cost.
Wiseco stopped making the 1202 pistons that we were allowed to use in the 1188/1200, so the next option up is the 1219
What were the dyno numbers on that Dennis?
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AHHH brain explosion hahah to many numbers :o
So is the 1219 basically a sealed 1200 with higher compression?
Dan
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Guessing there is a slight bore difference.
Why I brought up the punched out 289 to 302 Ford engine reference. Did this many years ago with one of our hot rods.
My thinking is you would get more horsepower from the 1250cc engine right from the get go without trying to modify a smaller cc engine.
Steve
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AHHH brain explosion hahah to many numbers :o
So is the 1219 basically a sealed 1200 with higher compression?
Dan
The 1219 is an 1188, bored and sleeved to 1219 and sealed.
Yes, since USLC is doing the work, the compression is allowed to be higher.
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This is just an option for the existing 1200. This is not a new engine being offered, its a rebuild option to those with 1200's that do not want to buy a brand new engine. The reason I brought this to the board is because I feel there are value dollars here for SOME people. I know what the BIG builders are charging to build a 1200, it ALOT more money!!!!!! The motor will NOT be limited to the 165 compression rule because it is sealed, couple that with the larger bore and pistons and there would ba definite advantage. The flip side is some racers do not want to run a sealed engine and thats ok too. Like I said, this will appeal to some racers.
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Dennis,
I reference to this 1219 engine conversion, are they converting over the the 1250 rods if it has 1200 rods now?
I guess really what I need to know, are they building this just like the 1250 with the higher compression & better rods.
Are slotted cam gears still legal in this engine?
There is no information listed regarding this conversion on their website, so there are many questions.
Randy - RPM
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Randy,
They are converting the 1200, installing 1250 rods and removing the slotted cam gear. The one I had done pumped about 175 across the board. Hope this helps.
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What does a newly built 1250 pump? I thought the 1200 was limited to stop it being quicker than the 1250, doesn't the 175 on each cylinder make it produce more power?
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The 1250 will pump 160 to 180. The pumping compression at 175 should be better than a 160, and would be it put together properly. A 1219 sealed motor built right pumping 175 would be an advantage over the 1200 pumping a a safe 160.
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Absolutely no reason to sell a customer sleeves when going from stock bore 1200 or even the legal amount of overbore which is .5 mm. 1200's have a 77mm bore, 1219 is 78mm bore, the new 1250 is 79mm bore. Some of the first callahan 1219's were left with full domes on the wiseco piston, ending up with the mechanical compression ratio over 11-1. We were told to fix all of those we saw when we were part of the engine building program.