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Picture Attachments Fixed? (18 Feb 2023)

Hopefully, the pictures uploads are fixed for the time being. Let me know if you continue to have issues. I am looking into a more permanent solution. Thanks for your patience. - Makotosun

1978 Suzuki SP370 Revived from Hibernation

  • mx360guy
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Hi all,
I pulled my old steed out from under the covers and brought'er back to life. I Bought in 1990 from the original owner. I stripped it down quite a bit and sold off most of the parts. It is a great trial bike and has never let me down. I hope to get out and explore Anza Borego this winter. I am in Southern California. Stay safe and Happy Holidays.

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04 Dec 2020 17:40 #1

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Replied by MarkT on topic 1978 Suzuki SP370 Revived from Hibernation

Nice!
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
04 Dec 2020 18:35 #2

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I like that bike. Don't recall ever seeing one like it.
Schu

CT1B, CT1C, JT1, JT2, DT360A, GT80B, DT100B, DT125B,
DT175B, DT175C, DT250B, DT400B, Z50, SCR950

Someday, you'll own some Yamahas
05 Dec 2020 07:25 #3

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Replied by mx360guy on topic 1978 Suzuki SP370 Revived from Hibernation

Its was Suzuki's 1st 4 stroke dirt bike. Trying to compete with Honda and Yamaha in that space. The SP's (dual sport) and the DR enduro were not super popular but parts are still pretty easy to find. I have put a DR skid plate and swing arm with the spring tensioner on it. The Clarke gas tank fits pretty well and is almost 4 gallons, go for days on one tank. Its is very friendly, has plenty of low end grunt, and I am lower to the ground. I like it and have grown very attached to it over the years. I have put many fun miles on'er from forest fire roads to desert trails. The engine has never been a part, original top end. Just change the oil regularly and ride within her limits which are very close to mine!
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05 Dec 2020 18:32 #4

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Replied by Quartermaster35 on topic 1978 Suzuki SP370 Revived from Hibernation

I restored that same bike back in 2016........ Not a very well known bike, but a reliable fun ride!
1973 Yamaha CT3 175

Prior Bikes:
1973 Suzuki TS90
1977 Yamaha IT175
1978 Suzuki 390SP
1980 Yamaha 175 Tri-Moto
1969 Yamaha DT1 250
1981 Yamaha XS650 Special
1982 Suzuki GS550ES
1982 Honda 250R
1984 Honda Nighthawk "S"
2005 Kawasaki KLR650
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07 Dec 2020 11:35 #5

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Replied by mx360guy on topic 1978 Suzuki SP370 Revived from Hibernation

I am having some issues with hard starting and rough running. I cleaned the carb very well. Took everything out. I am thinking that the condenser is getting old and gets wonky when it gets hot. The points sit right on the cylinder head it gets hotter than heck right there.
Many years ago I had a problem like this on this bike. I had to take the point cover off to let it cool off enough to run. That helped. I replaced it since then but have not been riding it for 10 years or so. I used NOS condensers and my theory is that the electrolytic stuff inside is just old and does not work as well as it did when it was young... that makes 2 of us...I found what I think is a newer aftermarket unit on eBay..only could find it in the UK..parts are getting kinda scarce for this beast.. Any one else have condenser problems? Thanks
23 Dec 2020 18:51 #6

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Replied by mx360guy on topic 1978 Suzuki SP370 Revived from Hibernation

I got inspired to visit and explore the Anza Borrego California State Park in early October and I have been scrambling to get the the might SP ready for the adventure. I recently installed a better fitting Don Vesco tank. The red Clarke MFG tank rubs the side of the carb and has always been really close to the cylinder head.
Got an original PP rear enduro fender and UFO front. I am in the process of installing a new Vape ignition system. This is a little challenging for me but I think I am very close to getting it going. Installing LED headlight and turn signals. I may have some questions when I get to the point of hooking up the lights, etc.
AB looks like a great place for a vintage enduro ride! 
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Last edit: 01 Sep 2021 06:52 by mx360guy. Reason: 2 images the same
01 Sep 2021 06:49 #7

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Replied by mx360guy on topic 1978 Suzuki SP370 Revived from Hibernation

Mine used to look like that but I can't leave any bike alone for very long...I need help.
Looks nice!
01 Sep 2021 06:54 #8

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Replied by MarkT on topic 1978 Suzuki SP370 Revived from Hibernation

Spent lots of time in Anza Borrego back before they closed it to OHV's. You must have a street legal vehicle now. Rangers are not friendly if you don't and they used to patrol pretty heavily. 
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
01 Sep 2021 17:30 #9

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Replied by mx360guy on topic 1978 Suzuki SP370 Revived from Hibernation

Yep,its a state park. This bike is plated and pretty quiet. Ocottilo Wells OHV state run area is just a few miles away.





 
01 Sep 2021 20:21 #10

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