Questions about my 929-mods
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Junior Member
Joined: May 2020
Posts: 12
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From: Sweden
Questions about my 929-mods
So far i have converted to 520 lightweight chain and sprockets, one tooth down front. I did the flapper/servo/pair-mod, and now have two more things i´d like to do on my CBR929RR.
1. I will get my ordered Power Commander V any day now, so this will probably get me a smoother and perhaps more triggerhappy riding experience. For this "upgrade" i will probably find a map for my simple configuration wich is all stock but a Akrapovic can.
2. I would like to raise the compression a bit by changing to a thinner head gasket, so - is this a good and safe way of raising the compression/power a little bit? And is it possible to remove the head with the engine still in the frame?
3. Anyone know if there is a possibility to expect an existing PC-map that support higher compression?
1. I will get my ordered Power Commander V any day now, so this will probably get me a smoother and perhaps more triggerhappy riding experience. For this "upgrade" i will probably find a map for my simple configuration wich is all stock but a Akrapovic can.
2. I would like to raise the compression a bit by changing to a thinner head gasket, so - is this a good and safe way of raising the compression/power a little bit? And is it possible to remove the head with the engine still in the frame?
3. Anyone know if there is a possibility to expect an existing PC-map that support higher compression?
Junior Member
Joined: May 2020
Posts: 13
Likes: 5
From: Melbourne Australia
I’m certain there are wiser heads than mine, but I’ll throw a few comments your way
520 conversion isn’t a big deal, one tooth less at the front should see you happy- it will throw the speedo out a bit, if that is an issue then buy a Speedo healer
Good luck with the PC V, as you say, download a few maps and see how you go- I’ve got a PC3 and plan to get my bike mapped, when the shop is open for tuning again -I’m in Melbourne Australia and we are in stage 4 COVID lockdown for another two weeks at least.
I’m not seeing a lot of discussion around higher compression for 929s, most common mods seem to be -full exhaust (or HTEV delete) flapper and pair valve mod and then a custom map for the PC- that’s the track I’ve taken, in addition I’ve upgraded my suspension to suit my weight, fitting a steering dampener, braided lines and an Accosato MC, my bike is almost completely set up for track work only now- can’t wait to get out on it.
520 conversion isn’t a big deal, one tooth less at the front should see you happy- it will throw the speedo out a bit, if that is an issue then buy a Speedo healer
Good luck with the PC V, as you say, download a few maps and see how you go- I’ve got a PC3 and plan to get my bike mapped, when the shop is open for tuning again -I’m in Melbourne Australia and we are in stage 4 COVID lockdown for another two weeks at least.
I’m not seeing a lot of discussion around higher compression for 929s, most common mods seem to be -full exhaust (or HTEV delete) flapper and pair valve mod and then a custom map for the PC- that’s the track I’ve taken, in addition I’ve upgraded my suspension to suit my weight, fitting a steering dampener, braided lines and an Accosato MC, my bike is almost completely set up for track work only now- can’t wait to get out on it.
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Junior Member
Joined: May 2020
Posts: 12
Likes: 2
From: Sweden
Yesterday i dyno:ed and mapped my CBR929RR-01.
Done is flapper mod, pair mod, lightweight chain and sprockets, and an aftermarket can.
Max RWHP: 140+ after 5 runs and tunes in the PC5.
From start it was 130 RWHP with a copied map, and the PC5 increased the power by 10+ hp at the wheel.
Done is flapper mod, pair mod, lightweight chain and sprockets, and an aftermarket can.
Max RWHP: 140+ after 5 runs and tunes in the PC5.
From start it was 130 RWHP with a copied map, and the PC5 increased the power by 10+ hp at the wheel.
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