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GS 1000 Stock Rim / Max Tire Size

  • Thread starter Thread starter Willard13
  • Start date Start date
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Willard13

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I have a stock GS 1000 (1979) with a stock rear wheel. It currently has a 120/90-17 rear wheel. I look really small. What is the biggest tire I can put on here? Look like there is a fair bit of clearance on either side (chain and swing arm). Thanks,
 
It would help us to know which model you have. The E model had larger tires for stock than the C.
 
130 is the widest you should go with the stock cast wheel. The spoke type GS1000 wheels are 18", and you shouldn't use wider than 120 on those because the rim is narrower.
 
Yes the wire wheel rim is to small for a 130.
2011_06100007.jpg

Some PO managed to squeeze one on the red wheel(it's the same size as the wire,1.85X18).Tried to get it off myself,Had to take it to my friends shop with a tire machine to get it off!
 
Greetings and Salutations!!

Greetings and Salutations!!

Hi Mr. Willard13,

Old school bikes need old school tires. For a "fat" tire you would need to replace/modify the swing arm and install a wider rim. On these bikes, tires that are too wide are dangerous.

Let me dump a TON of information on you and share some GS lovin'. :D

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Thanks for the help. The cast rim is a 17XMT2.50 DOT. I wasn't looking for a monster wheel, just a bit bigger than the 120. Sounds like a 130 is my widest option without added risk or modification?

One more thing. My lights died last night as I was riding home. I hit the high beams and everything went. highs / lows / turn signals - all gone. I assume this is a fuse. So that means something more evil is also happening. Ideas? thx
 
Thanks for the help. The cast rim is a 17XMT2.50 DOT. I wasn't looking for a monster wheel, just a bit bigger than the 120. Sounds like a 130 is my widest option without added risk or modification?

One more thing. My lights died last night as I was riding home. I hit the high beams and everything went. highs / lows / turn signals - all gone. I assume this is a fuse. So that means something more evil is also happening. Ideas? thx
Check your battery voltage when running.If this over 15 volts you have to start checking electrics.Dead R/R being the likely culprit.
 
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