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Post by ysrcali on Mar 6, 2007 7:29:10 GMT -7
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Post by airdreams1 on Mar 6, 2007 13:18:20 GMT -7
So what is the new top speed?
Hows the power feal in compairisan?
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Post by ysrcali on Mar 6, 2007 14:21:02 GMT -7
top speed? I don't know yet. However, guys with the same motor and set-up, they say between 75 & 80, if not, a hair more. I plan to drop a couple teeth in the rear for added top-speed. And honestly, I am more interested getting it geared in that sweet spot, decent top speed and good bottom end for climbing hills. Further, I won't sacrifice getting up to speed sooner too. Moreover, there is no place I can actually ride above 60 mph without attracting un-wanted attention, as I am restricted to urban roads and expressways because of the cc limit law. That said, I will be content with it geared comfortably in the 70 - 75 mph range. For the track, I'll have plenty of power to get around a lot quicker than it was as a 50cc  As for power? Man, I sure wish it had this kinda power out of the box. it is very close to what it was like when I had my 80cc. It definately gets up to speed a lot sooner than it did as a 50cc. And definately worth the cost of the conversion. Seeing the video, what are your thoughts? Does it look fast enough? |
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crazy1
Junior Member
Posts: 40
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Post by crazy1 on Mar 6, 2007 17:08:33 GMT -7
YSRCALI, Very nice installation!! I really like that 6 speed lipuid!! YA SWEET SPOT!! GOT YA!! Hay, that airdreams guy (Lance) REALLY BEEN A BIG HELP!!! Thanks Lance!! Letter crazy1
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Post by airdreams1 on Mar 6, 2007 19:01:23 GMT -7
Can't tell from the vid. Since Im on dial up, it won't run smoothly.
Just got the plates & took my YSR/YZ80 out & it burried the needle at the far side of the high beam light! What a rush!!! ;D Unfortianatly I had to let off bcause there were cars. That was a blessing, since a Cop was comming from the other direction.
The motor needs more tweeking.
Its a 96 YZ80 motor, Has a new hotrod crank, new boisen reads, new top end, & a modifyed aftermarket NSR80 pipe.
It vibrates like crazy!!!!!!!!!!!!
This is the bike I will do the 200cc on later this year.
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crazy1
Junior Member
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Post by crazy1 on Mar 6, 2007 20:21:27 GMT -7
YA, Its fast!!!!!!
Sweet Dog!! I can FEEL the RUSH! Keep me posted on YZR!! This 200 is a 4 stroke liquid that you are building??
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Post by ysrcali on Apr 4, 2007 5:19:08 GMT -7
Lance, Have you braced the chassis and or rubber mounted the motor mounts? No doubt your motor vibrates like crazy, ask me how "I" know  When I had my KX80, the vibration from the motor eventually vibrated out the internal guts from my key switch while on a ride. When I went to shut off the bike, there no longer was a key w/ guts. I had to use a screw driver to turn on/off the key switch (lol) Can't tell from the vid. Since Im on dial up, it won't run smoothly. Just got the plates & took my YSR/YZ80 out & it burried the needle at the far side of the high beam light! What a rush!!! ;D Unfortianatly I had to let off bcause there were cars. That was a blessing, since a Cop was comming from the other direction. The motor needs more tweeking. Its a 96 YZ80 motor, Has a new hotrod crank, new boisen reads, new top end, & a modifyed aftermarket NSR80 pipe. It vibrates like crazy!!!!!!!!!!!! This is the bike I will do the 200cc on later this year. |
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Post by ysrcali on Aug 15, 2007 8:37:26 GMT -7
So what is the new top speed? Hows the power feal in compairisan? Lance, Finally got to test the top speed. W/ 13/39 sprockets, using a Garmen Satallite speedo, I hit a top-speed of 73mph. I was a bit paranoid once there, altho' I feel I could have pushed it to 75 mph. Moreover, the YSR was very stable at speed. More than likely, all the suspension upgrades was a contributing factor; 2nd fork spring, Wings fork brace, TCR upper triple clamp, Alum clip-ons, bronze swing-arm bushing, Fox Shock, w/ Dunlop TT91's. |
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Post by airdreams1 on Aug 15, 2007 23:03:48 GMT -7
Why were you paranoid  I had my 91 YSR80 w/ yz80 up to 90+. It was awsomwe! (except the vibration) Thats why I want a 200+cc 4 stroke. Very similar power & torque ratings as that 96 YZ80 motor. 96 YZ80 "dino" 17.4 hp & 8.6 lbs torque @ the rear wheel. |
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Post by ysrcali on Aug 16, 2007 5:46:53 GMT -7
Has anyone done the 200cc 4-stroke without chassis modifications?
Do you plan on using the Lifan 200cc motor?
I often pondered that myself, but would like to hear how it compares to the Honda motors, hp wise. Do you have any info?
I would love to use the Honda 150r motor, but heard there is no room for the radiator.....bummer. I may have to go with an air cooled motor.
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Post by airdreams1 on Aug 16, 2007 11:22:42 GMT -7
I have been trying to decide about the motor. Ultimatly Id like to get a 4 stroke yamaha motor (ttr225,230, WR, etc.)
I been concidering the lifan watercooled 250, & lifan 200 aircooled, the watercooled is smaller than the aircooled. Both will fit the chasis with very monimal mods. even less for the watercooled. Somewhere I have all the specs...
I know the 200 aircooled has almost the exact HP & torque ratings @ the crank as my YZ80 had @ the wheel. Its still an option. Ive just holding out hoping to find a yamaha.
I do have pics of a lifan 200 in the YSR if you want to see what mods were needed.
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Tha's right! I recently installed the Metrakit or MK kit onto my Derbi (Senda) motor.
