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07-07-2008
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 250r base gasket sealing problems ive put 3 base gaskets in my 250r and not one of them has held up, i torqued them down to as tight as i could get them by hand and it still blows them right out the side the sealing surface is not perfect as it has a few dings but i would think it should still seal. i have some thinnner gaskets (.10) and some thicker gaskets (.30) stock is .20. if i use the thicker or thinner gaskets will this make a difference??? any one had this problem???
__________________ 1986 Honda Trx 250r Hot Rods +4 Stroker Crank V-Force Reeds Fmf Fatty Pipe and Silencer Keihin PWK 39 Carb Laeger +2 A Arms Wiseco Piston 67.50 Dynatek Fs Ignition 1985 Honda CR 125R Dg Type 2 Silencer Fmf Power Reeds Hot Rods Crank Why make power half the time with a 4-stroke when you could make it all the time with a 2-stroke?      |
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07-07-2008
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| have you used any high-temp gasket silicone????
__________________ 86' honda 250R woods bike fresh motor as of sept. 9th 08' esr trx 5 pipe and silencer 38mm air stryker carb stock cyl. with 68mm wiseco piston (86') cr thin head gasket 180psi compression (stock head) 88' hot rods stock crank with spacer plate vforce 3 reed valve 01 cr250 ignition system +4 axle 13/38 gearing durablue lowering strut maier front and rear fenders |
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07-07-2008
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| i used it once and it still leaked and it made a mess so i did not put it on again
__________________ 1986 Honda Trx 250r Hot Rods +4 Stroker Crank V-Force Reeds Fmf Fatty Pipe and Silencer Keihin PWK 39 Carb Laeger +2 A Arms Wiseco Piston 67.50 Dynatek Fs Ignition 1985 Honda CR 125R Dg Type 2 Silencer Fmf Power Reeds Hot Rods Crank Why make power half the time with a 4-stroke when you could make it all the time with a 2-stroke? |
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07-07-2008
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| Using Cometic coated metal gaskets? We used that copper spray gasket on a jetski once and worked perfect.. PM member trx, he was having the same base gasket prob like you.. He might of found a fix for it!
__________________  E2S MODERATOR |
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07-07-2008
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| okay what i did was i torqed them down 28 pounds the manuel calls for betweent 28 and 38 it started to leak then i went back and went to 34 pounds and it stopped leaking but i also changed the spark plug out to a br8 becouse the br9 iriduim lift alot of fuel in the crank area so it was being pushed out of the gasket area
__________________ 86 TRX250R 86 cases with 88 style hot rods crank fresh seals and main bearings 68mm bore with wiesco 86 style piston ported cylinder stock head .190 spacer plate kit from ESR boysen reeds pt elimantor pipe 36mm pj k&n filter with no airbox |
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07-07-2008
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| i am useing gaskets made from an ebay user, thehulajay...
__________________ 1986 Honda Trx 250r Hot Rods +4 Stroker Crank V-Force Reeds Fmf Fatty Pipe and Silencer Keihin PWK 39 Carb Laeger +2 A Arms Wiseco Piston 67.50 Dynatek Fs Ignition 1985 Honda CR 125R Dg Type 2 Silencer Fmf Power Reeds Hot Rods Crank Why make power half the time with a 4-stroke when you could make it all the time with a 2-stroke? |
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07-07-2008
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| is this the gasket between the case and cylinder? thickness shouldnt make a difference. only in compression. but not by much. did u try to tighten them in increments of 5-8 lbs. like a cross pattern? do one abit go to the oppisite corner and vise versa. blow-by from bad rings can also cause this
__________________ LIFES FAST SOOOOOOO HAUL ASSSSSSSS s.i.mafia |
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07-07-2008
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| i tightened them in a cross pattern and i just rebuilt my 250r and the top end is like new...
__________________ 1986 Honda Trx 250r Hot Rods +4 Stroker Crank V-Force Reeds Fmf Fatty Pipe and Silencer Keihin PWK 39 Carb Laeger +2 A Arms Wiseco Piston 67.50 Dynatek Fs Ignition 1985 Honda CR 125R Dg Type 2 Silencer Fmf Power Reeds Hot Rods Crank Why make power half the time with a 4-stroke when you could make it all the time with a 2-stroke? |
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07-07-2008
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| if the gasket is pushing out/in in the narrow tranfer port area, take a pointed punch and make small punch marks about 3/8" apart on either the cylinder or the cases. those spring loaded punch's are perfect for this! This has solved that problem for me in the past. I have also used the copper coat spray in the past but the punch marks really does work the best. You probably have some warping of the surface area of the cylinder or case if not a little of both. |
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07-07-2008
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| Mine is leaking a little bit, but not bad enough to worry about it. If it gets worse, then I'll fix it...'till then, I'm ridin' the piss out of it!
__________________ 1987 TRX250R...Flotek porting, Flotek lightened flywheel, Boyesen Rad Valve, FMF SST pipe, Curtis Sparks silencer, Cool Head w/18cc dome, Keihin 38 Airstryker carb, Burgard +2 a arms, 06 450R front shocks, TAG bars, Janssen steering dampner, Nology coil, MSD Wire, AC bumper, AC nerf bars, Maier plastic, Elka valved stock rear shock w/DRS, ITP Baja black wheels, Kenda Klaw front tires, ITP Holeshot GNCC rear tires 1996 Banshee...Pro Circuit Pipes & silencers, Pro Series reeds, CFM Performance aluminum air box, Uni filters, Razr 2's, ITP wheels. |
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