Can you use a big bore cosmetic gasket top end kit on a standard bore? If not please explain.
Thanks in advance
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Member
cometic gasket question
Can you use a big bore cosmetic gasket top end kit on a standard bore? If not please explain.
Thanks in advance
Registered User
I have heard of guys using the big bore gaskets for there standard bore and have no problems with them.
92 honda 250x
99 400ex many mods
04 trx 450r
BBBRRRAAAPPP
Yes it will fit, but not properly.
The EX besides a 440 kit can use anysize gasket kit b/c the piston never comes to the top fully.
If it's stupid, and it works, it isn't stupid. - Murphy's Law
2000 426EX,sold
2004 450R WIP
-Longtime A.A.D.S. (Accessory Acquisition Disorder Syndrome) sufferer.
400EX Frequently Asked Questions, CHECK HERE FIRST!
Build Obsession Disease
Yes you can use it but of course it would be better if you used the original standard bore gasket size. Its common sense but yes it will work.
2003 TRX400EX
-Dual Looney Tuned Racing Exhaust
(1000$ Alone For Full Exhaust System)
-Looney Tuned Pipes
-JE 11:1 Piston Kit
-Stage 3 Hot Cam
-Cometic Gaskets
-02 CRF450r Timing Chain
-K&N Air Filter
-2005 trx450r Jetted Carb
-Dual Row LSR Rear Carrier
-Razor Fronts
-Razor Rears
-ITP Rims
-Jet Black ProTaper Bars
-DG Nerfs
-Tether Kill Switch
-HID Xenon 8000K Head Lights
2003 Polaris Predator 500 Troy Lee Edition
-Stage 2 Cams
-K&N Air And Oil Filter
-155 Main
-Billet Aluminum Exhaust Tip
-Pillow Top ProTaper MX Racing Grips
-AllBalls Bearings
-520 X-Ring DriveChain
-Many Many Odds And Ends Parts
Member
I'm mainly wandering if it will last as long. Or if it will cause problems down the road.
Build Obsession Disease
I cant say for sure if it will cause any problems or not. My educated guess would be yes, it will cause problems faster than an original bore size gasket would since its at stock bore now. Thats my 2 cents right there. Its better to be safe than sorry though so i would spend the 10 or 20 bucks for a new gasket that is meant for your bore size currently.
2003 TRX400EX
-Dual Looney Tuned Racing Exhaust
(1000$ Alone For Full Exhaust System)
-Looney Tuned Pipes
-JE 11:1 Piston Kit
-Stage 3 Hot Cam
-Cometic Gaskets
-02 CRF450r Timing Chain
-K&N Air Filter
-2005 trx450r Jetted Carb
-Dual Row LSR Rear Carrier
-Razor Fronts
-Razor Rears
-ITP Rims
-Jet Black ProTaper Bars
-DG Nerfs
-Tether Kill Switch
-HID Xenon 8000K Head Lights
2003 Polaris Predator 500 Troy Lee Edition
-Stage 2 Cams
-K&N Air And Oil Filter
-155 Main
-Billet Aluminum Exhaust Tip
-Pillow Top ProTaper MX Racing Grips
-AllBalls Bearings
-520 X-Ring DriveChain
-Many Many Odds And Ends Parts
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