Vintage Dirt Bike Q & A

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 Post subject: 77 rm 370
PostPosted: Thu Feb 03, 2011 9:19 am 
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Joined: Mon Jan 24, 2011 9:08 pm
Posts: 44
I have a 77 rm370 that I am beginning to ride after 30 years. what front and rear tire size are guys running on the open class bikes? Everything is now in metric sizes. Also does anybody know the fork oil capacity and viscosity for that bike?......Steve


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 Post subject: Re: 77 rm 370
PostPosted: Thu Feb 03, 2011 10:27 am 
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Joined: Fri Jul 14, 2006 8:12 am
Posts: 323
Location: Wuppertal/Germany
90/90-21
80/100-21
110/100-18

sae 5w/20, 20w/20 fork oil
or ATF
247cc/ 8.4oz each leg

_________________
80 CR250Ra
80 CR250Ra
78 CR250R
80 CR80
82 Bultaco Sherpa 340
78 Bultaco Pursang 250 MK12
76 Bultaco Frontera 370 MK10
76 Bultaco Alpina 250
73 Bultaco Lobito 125 MK6
76 Suzuki RM125A
90 Kawasaki KX250


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 Post subject: Re: 77 rm 370
PostPosted: Thu Feb 07, 2019 7:09 pm 
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Joined: Mon Jan 24, 2011 9:08 pm
Posts: 44
I finally got the bike out. I was looking for fork oil and capacity and came across this post that I put up years ago. Completely forgot about it. Thanx for the reply


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