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K100-forum.com » Member's introduction » 86 2-valve question

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1Back to top Go down   86 2-valve question Empty 86 2-valve question Mon Apr 20, 2020 2:23 pm

pkville

pkville
active member
active member
Hi all. 
Is the 2-valve K100 a “interference” engine?

A friend of mine asked me and I can’t find the answer anywhere...

Thanks in advance. 

Pete.

    

2Back to top Go down   86 2-valve question Empty Re: 86 2-valve question Mon Apr 20, 2020 2:27 pm

92KK 84WW Olaf

avatar
Life time member
Life time member
Yes it is. Most engines are, I am not aware of any bike engines that are not. I think its only single camshaft engines are non interference.


__________________________________________________
1992 K100LT 0193214 Bertha Blue 101,000 miles
1984 K100RT 0022575 Brutus Baja Red 578 bought 36,000 now 89,150 miles
1997 K1100LT 0188024 Wotan Mystic Red 689 58,645 now 106,950 miles Deceased.
1983 K100RS 0011157 Fricka 606 Alaska Blue 29,495 miles Damn K Pox Its a Bat outta Hell Now 58,200 miles. 
1996 K1100LT 0233004 Lohengrin Mystic Red 38,000 miles currently 51,800 miles.
1983 K100RS 0004449 Odette R100 colours 58,000 miles. Sprint fairing now 63,390 miles

Past:
1968 Yamaha 80 YG1
1971 Yamaha 125 YAS-1
1968 Honda 125 SS
1970 Honda CD 175
1973 Honda CB500-4
Honda CX 500
    

3Back to top Go down   86 2-valve question Empty Re: 86 2-valve question Mon Apr 20, 2020 3:19 pm

Dai

Dai
Life time member
Life time member
https://en.wikipedia.org/wiki/Interference_engine

I had to go and look because I'd never heard of the expression.


__________________________________________________
1983 K100 naked upgraded to K100LT spec after spending time as an RS and an RT
1987 K100RT
Others...
1978 Moto Guzzi 850-T3, 1979 Moto Guzzi 850-T3 California,1993 Moto Guzzi 1100ie California
2020 Royal Enfield Bullet 500
    

4Back to top Go down   86 2-valve question Empty Re: 86 2-valve question Mon Apr 20, 2020 3:21 pm

pkville

pkville
active member
active member
Thanks for the quick reply!

And I had never heard it of either.... before today.  

I’ve learned TWO things today Smile

    

5Back to top Go down   86 2-valve question Empty Re: 86 2-valve question Mon Apr 20, 2020 9:23 pm

Two Wheels Better

Two Wheels Better
Moderator
Moderator
Circa, 1984. My 1976 FIAT 128 1.3 was not a non-interference engine! My then-wife rang me from the mall parking lot saying when she cranked the engine over it kind of loped and made a funny metallic crunching noise. She'd tried to start it a few times. Could I come and try it? 

The timing belt had shredded. I worked in an auto parts shop attached to a metric repair shop called Toad's Kin Car Company & International Auto Parts of Florence (Fastidious Vehicular Therapeutics was their slogan). On the Saturday after work me and Skip, one of the techs, took four hours to do a full valve job (five of eight valves bent) and timing belt replacement. None of the pistons were 'holed'.


__________________________________________________
"How many cars did we pass today?" "ALL of them."
1977 R75/7-100, '93 K11/K12 Big Block, '93 K1100RS, '95 R100 Mystic, '96 K1100RS, 2 x '98 K1200RS, '06 K1200R & '09 K1300GT
    

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