Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-10 Thread aajawo
Thanks guys. That seems like sound advice. It was mostly the relatively low pressure on cylinder 2 (105 psi) that made me think I should tear into the top end. But that seems to have remedied itself somehow. Hopefully, it isn't an intermittent valve sealing issue. I'll keep an eye on it. I

Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-10 Thread Graham Rogers
Right on! On Sun, Nov 10, 2019 at 6:58 AM Donny Ravioli wrote: > 17k miles.Your readings are consistent across the for cylinders. And they > are less than 10% below spec... I wouldn't even think about rebuilding it. > > -- > You received this message because you are subscribed to the Google Grou

Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-10 Thread Donny Ravioli
17k miles.Your readings are consistent across the for cylinders. And they are less than 10% below spec... I wouldn't even think about rebuilding it. -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To unsubscribe from this group

Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-09 Thread aajawo
Graham, it has 17,200 miles on it. On Saturday, November 9, 2019 at 1:18:55 AM UTC-7, kiwinPA wrote: > > How many miles on your bike? Graham > > On Fri, Nov 8, 2019 at 11:13 PM aajawo > > wrote: > >> So I've been thinking about doing the top end on my 1983 Nighthawk 650 >> for a few reasons. Th

Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-09 Thread Graham Rogers
I agree. On Sat, Nov 9, 2019 at 6:23 AM Dave duChĂȘne wrote: > If it ain't broke don't fix it. Seriously, the numbers you provided don't > indicate any issues. Just enjoy your ride. > Dave > > On Sat, 9 Nov 2019 at 00:13, aajawo wrote: > >> So I've been thinking about doing the top end on my 198

Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-09 Thread Tommy Hill
Maybe run a little Marvins Mystery Oil in it. -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To unsubscribe from this group and stop receiving emails from it, send an email to nighthawk_lovers+unsubscr...@googlegroups.com. To

Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-09 Thread Dave duChĂȘne
If it ain't broke don't fix it. Seriously, the numbers you provided don't indicate any issues. Just enjoy your ride. Dave On Sat, 9 Nov 2019 at 00:13, aajawo wrote: > So I've been thinking about doing the top end on my 1983 Nighthawk 650 for > a few reasons. The compression on all four cylinder

Re: [Nighthawk Lovers] Should I do the top end on my 1983 NH 650

2019-11-09 Thread Graham Rogers
How many miles on your bike? Graham On Fri, Nov 8, 2019 at 11:13 PM aajawo wrote: > So I've been thinking about doing the top end on my 1983 Nighthawk 650 for > a few reasons. The compression on all four cylinders is a little low at > 120 psi. That is tested with the engine warm and throttle w