No clues and bought a 450 - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums
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post #1 of 82 (permalink) Old 03-07-2019, 11:22 AM Thread Starter
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No clues and bought a 450

Hello,
I go by kawa110
Have a banshee. Iím on Sheehq.
Bought a 450. Used. 2007.
Po stated he had about a year, seemed reputable.
Po stayed all he knew from the guy he bought it from was ď501 ice cube big bore with hot cam valve kitĒ and to run 101 octane or 91 with booster. Po said guy he bought it from was Jonathon Covarrubias from the Pismo area California.
Has full sparks exhaust.

I have read...
The big bore kits need pistons cut so oil will squirt right place...???

Is the chain roller re-locator necessary to keep swing arm from damage? Would a chariot chain tension be good idea?

Ordered FCI intake...

Plan on pulling carb to check jets and zip tie mod...
How would I know what octane to run? I do not want to blow this motor because I have no clues.

Need to pull valve cover to see cams...what would I be looking for?

I read somewhere not to do the ďcam modĒ with the hot cams?

Are the 20$ silicone hoses from amazon just as good as 60$ cv4 hoses?


Iím sure Iíll be all over the for sale section.
Need to replace some rusty stuff.


I really appreciate any help. Thnx
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post #2 of 82 (permalink) Old 03-08-2019, 02:04 AM
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welcome! looks like a great deal. I read your post but do not really know enough to answer your questions. I am sure someone will soon

2019 YFZ450R SE
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post #3 of 82 (permalink) Old 03-08-2019, 08:39 AM Thread Starter
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Thanks.
Been searching and reading.
Lots of info in these forums.
Very nice.
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post #4 of 82 (permalink) Old 03-08-2019, 06:01 PM Thread Starter
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Iím located so cal near Coachella.

So looks like compression test cannot be done due to decomp bump on cam...would this be the same if the cams were aftermarket?

I am familiar with leak down for 2 stroke. Plug exhaust and intake. Hold 6pounds for 6 minutes.
Same on this 450?

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post #5 of 82 (permalink) Old 03-08-2019, 06:17 PM Thread Starter
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Looking to replace rusty stock axle, front lower a arms.

Looking for heal guards/nerfsI like the ac pro pegs I got for the bansheeónot sure if I can find them for 450. Havnt looked.

Looking for frame guards...

I read somewhere that ther is a clear 3m film to keep things protected like the headlights...anyone have a link to this stuff? Does it leave a nasty residue if removed?

Tons of info on this site, Iíve been reading for couple hours everyday and will continue too...

Just tuning and jetting sticky threads have
98, 1121, 44, and 32 posts. Lots of info to filter through and decide what is legit.

There are some really nice write upís. Highly appreciative to those members.
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post #6 of 82 (permalink) Old 03-08-2019, 06:47 PM Thread Starter
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Plan on adding the kickstart mod.

Will the bike still run and start if battery dead? If not Iím not doing the kickstart mod.

Still reading about the yzclutch upgrade...

Apologize for being such a noob but I want to ensure I do this stuff right.

I went through a lot of funds without clues when building my banshee the way I want.
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post #7 of 82 (permalink) Old 03-09-2019, 08:46 AM
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Quote:
Originally Posted by kawa110 View Post
Plan on adding the kickstart mod.

Will the bike still run and start if battery dead? If not Iím not doing the kickstart mod.

Still reading about the yzclutch upgrade...

Apologize for being such a noob but I want to ensure I do this stuff right.

I went through a lot of funds without clues when building my banshee the way I want.
Yup. You can start the bike with out the battery. You'll be fine. My buddy parked his always down hill to bump start every time.
You'll be happy with the 450.

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post #8 of 82 (permalink) Old 03-09-2019, 10:08 AM Thread Starter
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Actually bump starting sounds better then trying to kick start a big bore....how do I find out what the comp ratio is? Or motor has to be torn down for that?
Thnx for the eye opener.

I allready have a old pan head that tries to break my leg.
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post #9 of 82 (permalink) Old 03-11-2019, 04:48 PM Thread Starter
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Iíve been told the cam mod is for stock cams only.
Thanks
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post #10 of 82 (permalink) Old 03-11-2019, 05:48 PM
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Quote:
Originally Posted by kawa110 View Post
Iíve been told the cam mod is for stock cams only.
Thanks
Yes. This is true. Hot cams and others are already done or close

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post #11 of 82 (permalink) Old 03-11-2019, 11:07 PM Thread Starter
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What am I looking for when I get cam/valve cover off?

How do I figure out what octane fuel I should be running?
Thnx
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post #12 of 82 (permalink) Old 03-18-2019, 05:58 PM Thread Starter
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Been riding my shee and cr250 so long I forgot how to ride a 4 stroke. This thing is loud!
Guess Iím afraid of over Erving it and keep stalling in too high of a gear. 450 have a rev limiter?
Last 4 stroke Iíve been on is my 110. Besides street.
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post #13 of 82 (permalink) Old 03-18-2019, 08:36 PM
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Quote:
Originally Posted by kawa110 View Post
Looking to replace rusty stock axle, front lower a arms.

Looking for heal guards/nerfsI like the ac pro pegs I got for the bansheeónot sure if I can find them for 450. Havnt looked.

Looking for frame guards...

I read somewhere that ther is a clear 3m film to keep things protected like the headlights...anyone have a link to this stuff? Does it leave a nasty residue if removed?

Tons of info on this site, Iíve been reading for couple hours everyday and will continue too...

Just tuning and jetting sticky threads have
98, 1121, 44, and 32 posts. Lots of info to filter through and decide what is legit.

There are some really nice write upís. Highly appreciative to those members.


Iíve got a couple sets of tusk nerf bars Iíve been looking to get rid of for quite a while. Will sell for cheap as they are now just taking up space. Send me a message if interested


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06 SE
gytr slip on, kn filter, oil mod, dwt beadlocks with kenda kutters, pro taper bars, cycra guards, cfm oversized oil tank, tusk axle, tusk nerfs, asv levers....
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post #14 of 82 (permalink) Old 03-18-2019, 08:43 PM
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Bounce it

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post #15 of 82 (permalink) Old 03-18-2019, 09:13 PM Thread Starter
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I do t know what that photo is but I do understand ďbounce itĒ
Gotcha
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post #16 of 82 (permalink) Old 03-21-2019, 08:39 PM Thread Starter
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Is there aftermarket water pump cover or anyone who has re routed the hose to not be so close to the head pipe. Iím thinking routed under/in front of the pipe then up to water pump.
2007

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post #17 of 82 (permalink) Old 03-22-2019, 12:55 PM
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Quote:
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Is there aftermarket water pump cover or anyone who has re routed the hose to not be so close to the head pipe. Iím thinking routed under/in front of the pipe then up to water pump.
2007

If not, claude?

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post #18 of 82 (permalink) Old 03-22-2019, 01:57 PM
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I've never seen anyone re-route it. If you're worried the dirtbike ones usually get even closer. I never had an issue on my old carb 450 like that and I live in Miami.

2017 YFZ450R XC Setup - OíNeal Racing, Leatt, 4Arm Strong, Engine Ice, ASV Inventions, Ryno Power, ODI Grips, AMSOIL, Sunstar Engineering, Braking, Acerbis Plastics, Kenda Tires, SCOTT, Peak Racing Products, RadicalX

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post #19 of 82 (permalink) Old 03-22-2019, 02:40 PM Thread Starter
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I will ask Claude. He was unable to asssit me with the bar clamp project I have. (At least at the time I asked him)

Iím just thinking a custom hose...

Are the cheap 20$ silicone hoses as good as the 60$ CV4?ís

I canít say Iím worried about it melting as much as I am the heat transfer from header to coolant.

I am in southern calif not far from dry heat hell. Aka Coachella
I donít ride the extreme heat months but I do go out when it is warmer.
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post #20 of 82 (permalink) Old 03-22-2019, 03:45 PM
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The header wrap will keep the heat down and Iíd say put some engine ice in it and youíll be good. Never had an issue with my old built 450

2016 YFZ450R - Curtis sparks pipe, FCI w/box, Vortex,Rath signature series nerfs and bumper,hiper tech 3 dual rear beadlocks/non beadlocks fronts,razr mx rears/cross fronts,ASV levers,white cv4 radiator hoses,13 cable holder for ais delete,acerbis handguards,alba parking brake block off
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