i whant to change my 929rr engine to 954 has anyone have done it?is it posible?
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Joined: May 2010
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No, you don't want to swap a 929 engine for a 954. The 954 will run hotter and have heat related issues and your cylinders can crack if the heat gets bad enough.
Plus not much more power or speed than a 929.
Just keep the 929 engine and put full exhaust, eliminate the exhaust valve, open the air box all the way, and put a 954 fuel injection system to the 929 engine if you have the $$$$ to do it.
Then your 929 will be more than fast enough.
you don't want a 954 engine, they are bored out too much, not enough material left in the cylinders and between each cylinder there is almost nothing, at least the 929 engine has 1MM more material between each cylinder.
Plus not much more power or speed than a 929.
Just keep the 929 engine and put full exhaust, eliminate the exhaust valve, open the air box all the way, and put a 954 fuel injection system to the 929 engine if you have the $$$$ to do it.
Then your 929 will be more than fast enough.
you don't want a 954 engine, they are bored out too much, not enough material left in the cylinders and between each cylinder there is almost nothing, at least the 929 engine has 1MM more material between each cylinder.
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Joined: Mar 2008
Posts: 246
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From: Ann Arbor, MI
He's right, the 1mm bore is the only dimensional difference in the engine itself. A power commander will make a bigger difference and you can get them under $300. You can also wait until you need a new chain and go -1/+2 on the sprockets. Your top speed will come down, but even on a track you'd need a 1/2 mile straight to really use all 160mph-ish of the stock gearing. I've only topped mine out a few times on lonely highways and with no plastics that last 10mph takes a bit. Plus, I feel like I'm about to fly off the thing...
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Junior Member
Joined: Jun 2009
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wow i didnt expect for such an helpfull information cheers Guys,thing is my 929 engine has s many problems with the crankshaft as well and ect.if i ll repair it it will cost me a 1000$maybe more and i decide to buy an complete engine its gonna cost me the same price i saw couple engines on ebay.co.uk for 600pounds.what you reckon is it a normal price?plus i have to ship it t Georgia as well.and topic i wrote cause someone told me that the 954 was better engine.but now iam gona stick with 929
Senior Member
Joined: Oct 2009
Posts: 558
Likes: 11
From: Morristown, Tennessee
No, you don't want to swap a 929 engine for a 954. The 954 will run hotter and have heat related issues and your cylinders can crack if the heat gets bad enough.
Plus not much more power or speed than a 929.
Just keep the 929 engine and put full exhaust, eliminate the exhaust valve, open the air box all the way, and put a 954 fuel injection system to the 929 engine if you have the $$$$ to do it.
Then your 929 will be more than fast enough.
you don't want a 954 engine, they are bored out too much, not enough material left in the cylinders and between each cylinder there is almost nothing, at least the 929 engine has 1MM more material between each cylinder.
Plus not much more power or speed than a 929.
Just keep the 929 engine and put full exhaust, eliminate the exhaust valve, open the air box all the way, and put a 954 fuel injection system to the 929 engine if you have the $$$$ to do it.
Then your 929 will be more than fast enough.
you don't want a 954 engine, they are bored out too much, not enough material left in the cylinders and between each cylinder there is almost nothing, at least the 929 engine has 1MM more material between each cylinder.
wow i didnt expect for such an helpfull information cheers Guys,thing is my 929 engine has s many problems with the crankshaft as well and ect.if i ll repair it it will cost me a 1000$maybe more and i decide to buy an complete engine its gonna cost me the same price i saw couple engines on ebay.co.uk for 600pounds.what you reckon is it a normal price?plus i have to ship it t Georgia as well.and topic i wrote cause someone told me that the 954 was better engine.but now iam gona stick with 929
If you are buying a used engine then I would go with the 954. This topic has been discussed many times and you may find more info on fireblades.org . Keep in mind though that several other parts are required to swap a 954 engine into a 929 if you want to make your 929 just like the 954. You may want to check it all out before you decide which way to go. If you only swap the 954 engine and keep everything else from your 929 you will most likely not feel any difference in how your bike runs.
Senior Member
Joined: Oct 2009
Posts: 558
Likes: 11
From: Morristown, Tennessee
He's right, the 1mm bore is the only dimensional difference in the engine itself. A power commander will make a bigger difference and you can get them under $300. You can also wait until you need a new chain and go -1/+2 on the sprockets. Your top speed will come down, but even on a track you'd need a 1/2 mile straight to really use all 160mph-ish of the stock gearing. I've only topped mine out a few times on lonely highways and with no plastics that last 10mph takes a bit. Plus, I feel like I'm about to fly off the thing...
http://www.motorsports-network.com/H...mc/954/954.htm
Last edited by backdoc; Dec 11, 2010 at 01:55 PM.
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Joined: Mar 2008
Posts: 246
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From: Ann Arbor, MI
Your going to ship it from the UK to the state or country of Georgia? Tax and shipping across the ocean can get nasty. There are a few 929 engines on ebay stateside for $800-1000. They do bolt into the frame the same, you'll need to use the airbox/swingarm mount/etc from the 929 since that is the chassis your putting it into.
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Junior Member
Joined: Jun 2009
Posts: 26
Likes: 0
Your going to ship it from the UK to the state or country of Georgia? Tax and shipping across the ocean can get nasty. There are a few 929 engines on ebay stateside for $800-1000. They do bolt into the frame the same, you'll need to use the airbox/swingarm mount/etc from the 929 since that is the chassis your putting it into.
Georgia the country so its gonna cost me a fortune
)and still iam so afraid of buying the engine what if would be broken or something,but i dont have any other options so i have to try it anyway
Senior Member
Joined: Mar 2008
Posts: 246
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From: Ann Arbor, MI
I've found most people are honest that are charging normal prices. Make sure they have good feedback and that it's from selling bike/car parts, not religious t-shirts. Ask them before you bit what they are going to do it it doesn't run. You could also get a case and a crank, then use your good parts to rebuild an engine.
This one is kinda cheap cause it leaks oil on a crack repair. I'd get it and epoxy/rtv the leak, but I prefer fast and functional over looks.
http://cgi.ebay.co.uk/HONDA-CBR900-R...item2c58f0a9d2
This one is kinda cheap cause it leaks oil on a crack repair. I'd get it and epoxy/rtv the leak, but I prefer fast and functional over looks.
http://cgi.ebay.co.uk/HONDA-CBR900-R...item2c58f0a9d2
Senior Member
Joined: Oct 2009
Posts: 558
Likes: 11
From: Morristown, Tennessee
wow i didnt expect for such an helpfull information cheers Guys,thing is my 929 engine has s many problems with the crankshaft as well and ect.if i ll repair it it will cost me a 1000$maybe more and i decide to buy an complete engine its gonna cost me the same price i saw couple engines on ebay.co.uk for 600pounds.what you reckon is it a normal price?plus i have to ship it t Georgia as well.and topic i wrote cause someone told me that the 954 was better engine.but now iam gona stick with 929