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1974 DT360 Disassembly and Restoration
- pabdt
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Replied by pabdt on topic 1974 DT360 Disassembly and Restoration
Seal removal was VERY easy after lightly heating the tube housing near the seal. Thinking I'm going to leave the forks w/the brushed look below.
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1974 Yamaha DT125A
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
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14 Apr 2020 19:03
#61
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- pabdt
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Replied by pabdt on topic 1974 DT360 Disassembly and Restoration
What do you guys think of the pitting on this fork tube? I'm thinking I can salvage it. I smoothed it with 2000 grit sandpaper and polished. I guess if it leaks, I'll find another set without pitting or a whole new set of forks. This bike is meant to be a very clean, fully functional, rider. Had hoped to reuse what I could.
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1974 Yamaha DT125A
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
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- darinm
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Replied by darinm on topic 1974 DT360 Disassembly and Restoration
Take it with a grain of salt as I have not used them, but word on the street is these are good.; leakproofforkseals.com/
1972 Yamaha CT2 175
1972 Suzuki TS185 Sierra
1982 Yamaha XT200
2013 Yamaha XT250
2009 BMW X-Country
1972 Suzuki TS185 Sierra
1982 Yamaha XT200
2013 Yamaha XT250
2009 BMW X-Country
15 Apr 2020 21:41
#63
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- Gr8uncleal
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Replied by Gr8uncleal on topic 1974 DT360 Disassembly and Restoration
Yes, I think someone posted on here about using them a while back - maybe search for the thread.
16 Apr 2020 00:01
#64
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- pabdt
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Replied by pabdt on topic 1974 DT360 Disassembly and Restoration
going to test today to see how much of this area is in main area of travel on tube. looks like it will be living in oil.
1974 Yamaha DT125A
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
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- MarkT
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Replied by MarkT on topic 1974 DT360 Disassembly and Restoration
My experience with "leak proof seals" was from back when they were a new product... Every ride the seals leaked. I took them back so many times the dealer finally just gave me a refund.
This was in 1977 or 1978 on a new Husqvarna, no pitting or damage. (Husqvarna had crummy fork seals from the factory). I used the old Husky owner trick at the time... there was a Honda seal of the correct size to fit the Husky forks. No more leaks for at least a couple of years and I rode that bike almost every weekend.
Point is Japanese seals are really good quality... not worth paying extra for a specialty seal... especially since no seal can work if tubes are damaged bad enough...
This was in 1977 or 1978 on a new Husqvarna, no pitting or damage. (Husqvarna had crummy fork seals from the factory). I used the old Husky owner trick at the time... there was a Honda seal of the correct size to fit the Husky forks. No more leaks for at least a couple of years and I rode that bike almost every weekend.
Point is Japanese seals are really good quality... not worth paying extra for a specialty seal... especially since no seal can work if tubes are damaged bad enough...
1963 YG1-T, 1965 MG1-T, Allstate 250, 1970 CT1b, 1971 R5, 1973 AT3MX, 1974 TS400L, 1975 RD350, 1976 DT175C, 1976 Husqvarna 250CR, 1981 DT175G, 1988 DT50, 1990 "Super" DT50, 1991 RT180, 2017 XT250
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16 Apr 2020 12:17
#66
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- mdscott
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Replied by mdscott on topic 1974 DT360 Disassembly and Restoration
I have problems with them also. I think they miss-marked the packaging, should read.
"proof they leak seals"
Although years back I have used them with good success. Having lips on both sides of the seal, back then the sliders were in good condition and not galled from years of corrosion and removing the seals. Who knows. I prefer regular seals.
"proof they leak seals"
Although years back I have used them with good success. Having lips on both sides of the seal, back then the sliders were in good condition and not galled from years of corrosion and removing the seals. Who knows. I prefer regular seals.
Thanks Mark
Roseville, Ca.
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Roseville, Ca.
'03 ST1300
'75 Norton
'73 CB500K
'81 Honda CT110
'87 PW50
'64 McClane Edger
'65 Honda S90
The following user(s) Liked this Post: MarkT, yamahoper, pabdt
16 Apr 2020 12:30
#67
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- KennyV
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Replied by KennyV on topic 1974 DT360 Disassembly and Restoration
I replaced the fork seals in my RT for the previous owner with Yamaha seals. The fork tubes were pitted pretty bad so I put them in my lathe and polished them hoping to smooth the rough edges from the pits. The Yamaha seals lasted a very short time before they were drooling oil again. He wanted seals replaced again, so I suggested using aftermarket that cost less, assuming they would soon be leaking again. I put Leak Proof seals in expecting them to start leaking in less time than it took for the Yamaha seals to leak. We were both pleasantly surprised the Leak Proof seals held up great. That was a few years or more before I bought the bike. The Leak Proof were still in working good when I bought it. I did replace fork tubes with new Franks tubes and used new Yamaha seals.
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20 CB500X Halfrica Twin
21 CRF300l Rally
The following user(s) Liked this Post: MarkT, Snglsmkr
16 Apr 2020 13:19
#68
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- Lizeec
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Replied by Lizeec on topic 1974 DT360 Disassembly and Restoration
I have replaced fork seals on fork tubes that I thought were for sure going to leak yet they would stay dry for years at a time, I have also had the opposite results where everything looked to be in good shape yet they would leak immediately no matter the brand of seals. I prefer oem which are more expensive, I don’t use sand paper, instead I use ultra fine #0000 steel wool on the fork tubes to clean them up.
16 Apr 2020 13:39
#69
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- pabdt
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Replied by pabdt on topic 1974 DT360 Disassembly and Restoration
broke out the angle grinder and some metal polish. it looks 100% better now.
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1974 Yamaha DT125A
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
1974 Yamaha DT360A with SP96 Exhaust
Next…196x-197x Yamaha something.
The following user(s) Liked this Post: MarkT, Snglsmkr, KennyV, Gerryz
16 Apr 2020 16:36
#70
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