sk650
XS650 Member
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Hello everybody.
I purchased a 1978 xs650 this Friday. I rode it home, it was about a 130km or 80 miles from home.... I was told the carbs were recently cleaned, and a new battery was also recently replaced... After I took the bike out for a bit, money was exchanged, the bike plated and I hit the highway. First, second, third no problem. Then I hit fourth and and it started to bog, hesitate and kinda have a pull back sorta feeling. If I tried to keep it in 4th (going a max 80kmh 50mph) It would make loud poping noises or backfire type noises. So I nurse it home on a 110 kmh going maybe 60kmh at most... Fast forward three or more hours I get home replace the spark plugs and the bike seems to be running better though 4th/5th are still untouchable.
Where do I start? Or what might be the cause. Any help or suggestions will be greaty appreciated.
Thanks!
I purchased a 1978 xs650 this Friday. I rode it home, it was about a 130km or 80 miles from home.... I was told the carbs were recently cleaned, and a new battery was also recently replaced... After I took the bike out for a bit, money was exchanged, the bike plated and I hit the highway. First, second, third no problem. Then I hit fourth and and it started to bog, hesitate and kinda have a pull back sorta feeling. If I tried to keep it in 4th (going a max 80kmh 50mph) It would make loud poping noises or backfire type noises. So I nurse it home on a 110 kmh going maybe 60kmh at most... Fast forward three or more hours I get home replace the spark plugs and the bike seems to be running better though 4th/5th are still untouchable.
Where do I start? Or what might be the cause. Any help or suggestions will be greaty appreciated.
Thanks!