Swiftfalcon
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the motor is stil stock, but the idee is running high of add some power on there, starting with the head
Gen 1 to Gen 2 Rebuild information needed
- Thread starter Swiftfalcon
- Start date
the motor is stil stock, but the idee is running high of add some power on there, starting with the head
The frame, cases, cylinders, oil pan are all the same along with rear shock, pivot etc. The radiators are dimensionally the same and can be used on either bike. However, gen 1 the fans are activated off a stand alone temp switch on the left side of the rad. Gen 2, the ecu turns them on and off based off temp.
Out of couriosity why do you want to run gen 2 throttle bodies? They won’t fit. Yes you can run a gen 2 turbo airbox on a gen 1 but that’s only because the silicone couplers have enough give in them. You don’t have that luxury using stock head boots.
If you swapped the head, then you’d to use an offset cam timing pin. If you’ve gone that far, might as well just swap the whole head, ecu, harness, controls.
Out of couriosity why do you want to run gen 2 throttle bodies? They won’t fit. Yes you can run a gen 2 turbo airbox on a gen 1 but that’s only because the silicone couplers have enough give in them. You don’t have that luxury using stock head boots.
If you swapped the head, then you’d to use an offset cam timing pin. If you’ve gone that far, might as well just swap the whole head, ecu, harness, controls.
2003haybusa
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I made my 03 a 2012. Love it to. Still need to get fairings and looking for some chrome rims.
Mathewrussell52
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Saw in your videos it has a gen2 speedo. Was that difficult?
2003haybusa
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No everything is Gen 2 but the frame.
2003haybusa
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No everything is Gen 2 but the frame. I've never worked on a bike and was able to do everything myself so it's not to difficult. Want to extend the swingarm some at some point. First thing is to find out what the noise is and take care of it.
Swiftfalcon
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also just wondered this question. i have the gen 1 speedo, but all is now already gen 2. but now my problem is speedo. any mods to let the gen 1 speedo fits in the gen 2 plastics or better to go strait gen 2 speedo.
2003haybusa
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No. But I used everything from the Gen 2 but the frame.
This has been done before.
There's an old thread here somewhere, it shows the re-pin between gen 1 and 2 guages to make it work.
Sorry, not much help, but the info IS here.
Good luck finding it.
2003haybusa
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Oh thanks. I've already got the bike done and back on the road just need to find some fairings.
Swiftfalcon
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im leaving the air box as it is now. because it didn't come up for a change on that yet or tried it. I have a Gen 2 it will be checked into if i lift the fuel tank of the gen 2 and take off the air box to see if it really fits as it suppose to. will let you know as soon i do that.
Swiftfalcon
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still the question is now can i swap the clock/cluster & harness, is there any hidden gremlins waiting for me for a surprise LOL
Motonutz916
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I didn't see you mentioned the cluster gauge. I blew a gen 1 motor and a friend had a Gen 2 available for purchase. I bought it put it in the bike and the cluster gauge would not talk to that motor. Had to go out and buy a Gentoo cluster gauge for $2,500! So beware of the cluster gauge
Swiftfalcon
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buddy, so you when you put in the gen 2 cluster what did you change , I can get a gen 2 cluster 100% working condition, but I dont want to buy and it does not work on the gen 1 harness. Any help on the change of this cluster change.
Swiftfalcon
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I sixpack577, i cant find that post, any short cuts to it maybe please
Swiftfalcon
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sound like a big idea, still have a mind not to but hey the power we all need even it is a few HP LOL
Swiftfalcon
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i do agree, but after all the changes i can not change back, its a huge project believe me not for the faint harted as you know, thats why i need to finish this asap
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