Haybusa Parts and Service Member Support

Author Topic: *HELP* how can you tell if you have a 1397 or if the busa is stock.  (Read 4324 times)

Offline Allblackbusa

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i bought the bike 6 months ago. and the other day. a guy said he knew the guy i bought it from and saild it has a 1397. just want to know how to tell. it has one battery. i need help cause i already bought a stage 1 turbo kit for it going to run only 7psi. and if it is i got to lower compression some how? what is the compression on a 1397? 
2005 TURBO HAYABUSA stage 2 turbo
414hp @ 26lb of boost
ULTRA INTERCOOLER
MICROTECH
AMS 1000
Fully built motor by (Dwayne @ Cycle Concepts)
TUNED BY ( THE RODNEY WILLIFORD)
DO JOB KID....TURBO IT

Offline jblankenship

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either pull the head, or if you can get the bike up high enough, pull the oil pan off and look for a part number on the bottom of a piston

Online Yngve

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All re-plated blocks I have seen has another color than the original. Often more "golden" and they also have some kind of markings from the original plater.
I dont know what I am talking about but I do know that I am right :)

Offline dave3.4

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Put it on Dyno :thumb: or pull the head and check  it that way and slap a spacer in it while your there

Offline GSXRTURBO1

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measure the bore size while the head is off
Thomas

Offline sportbikeryder

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Pull the motor apart and check. Either way, order an .080" base spacer and put it in. You can run an 84mm turbo, I just would not recommend anything at high boost. Low boost will be fine.
Any day on a motorcycle like this that ends just needing parts and labor is a good day.
4.82, 158.67mph 1/8th mile 7.350, 200.32mph 1/4 mile Riding

4.392, 176.79mph 1/8th mile  6.610, 228.15mph 1/4 mile Tuning

Offline Allblackbusa

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  • DO JOB KID.....TURBO IT
only planing to run 7psi only. should that be good? and i dont drag race alot maybe take it to the track twice a year. and im not a 180+mph kind of guy.
2005 TURBO HAYABUSA stage 2 turbo
414hp @ 26lb of boost
ULTRA INTERCOOLER
MICROTECH
AMS 1000
Fully built motor by (Dwayne @ Cycle Concepts)
TUNED BY ( THE RODNEY WILLIFORD)
DO JOB KID....TURBO IT

Offline sportbikeryder

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only planing to run 7psi only. should that be good? and i dont drag race alot maybe take it to the track twice a year. and im not a 180+mph kind of guy.

7psi should be ok with a spacerr on 84mm pistons.
Any day on a motorcycle like this that ends just needing parts and labor is a good day.
4.82, 158.67mph 1/8th mile 7.350, 200.32mph 1/4 mile Riding

4.392, 176.79mph 1/8th mile  6.610, 228.15mph 1/4 mile Tuning

Offline tampated

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If the bike makes 192 to 205 RWHP its probably a 1397..if its a stock CC stock compression GEN1 it should make between 148 and 160, if it has some compression increase and bigger cams, then 160 - 180 or so...thats a ballpark, but the best way to tell is to take it a part....You should also run a compression check to see the cyclinder preassures...13:1 will give you in the ballpark of 255 per cyclinder.....a stock busa would be between 180-200 pressure readings....
Ted....